{ "answerability": "evidence_backed_claims_available", "claims": [ { "claim": { "claim_id": "claim-emigrant-crabtree-bear-conditions", "evidence_ids": [ "evidence-emigrant-crabtree-bear-conditions" ], "predicate": "pretrip_current_conditions_recheck", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-emigrant-crabtree-bear-lake", "temporal_scope": null, "value": { "current_status": "unknown", "required": true, "topics": [ "access road", "trail and crossings", "snow", "water", "fire and closures" ] } }, "evidence": [ { "claim_id": "claim-emigrant-crabtree-bear-conditions", "evidence_id": "evidence-emigrant-crabtree-bear-conditions", "notes": "", "observation_id": "observation-emigrant-crabtree-bear-conditions", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Forest alert index requires current order/map review. Historical mapped connections and hiking descriptions do not establish present road, trail, snow, crossing or water conditions.", "observation_id": "observation-emigrant-crabtree-bear-conditions", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-alerts" } ], "sources": [ { "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-alerts" } ], "subject": { "entity_id": "route-emigrant-crabtree-bear-lake", "kind": "route", "name": "Crabtree to Bear Lake" } }, { "claim": { "claim_id": "claim-emigrant-crabtree-bear-favorite-hikes", "evidence_ids": [ "evidence-emigrant-crabtree-bear-favorite-hikes" ], "predicate": "published_approach_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-emigrant-crabtree-bear-lake", "temporal_scope": null, "value": { "endpoint_precision": "lake destination; exact point unspecified", "reported_one_way_miles": 4, "source_edition": "2018-11", "status": "conflicting reports; not a resolved route total" } }, "evidence": [ { "claim_id": "claim-emigrant-crabtree-bear-favorite-hikes", "evidence_id": "evidence-emigrant-crabtree-bear-favorite-hikes", "notes": "", "observation_id": "observation-emigrant-crabtree-bear-favorite-hikes", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "2018-11, ROG 16-41 Day Hikes, page 2: Bear Lake 4 miles from Crabtree. Endpoint precision is not specified; editions disagree.", "observation_id": "observation-emigrant-crabtree-bear-favorite-hikes", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-favorite-hikes" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/r05/stanislaus/publication/Favorite%20Hiking%20Trails.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-favorite-hikes" } ], "subject": { "entity_id": "route-emigrant-crabtree-bear-lake", "kind": "route", "name": "Crabtree to Bear Lake" } }, { "claim": { "claim_id": "claim-emigrant-crabtree-bear-mileage-table", "evidence_ids": [ "evidence-emigrant-crabtree-bear-mileage-table" ], "predicate": "published_approach_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-emigrant-crabtree-bear-lake", "temporal_scope": null, "value": { "endpoint_precision": "lake destination; exact point unspecified", "reported_one_way_miles": 3.9, "source_edition": "2012-06", "status": "conflicting reports; not a resolved route total" } }, "evidence": [ { "claim_id": "claim-emigrant-crabtree-bear-mileage-table", "evidence_id": "evidence-emigrant-crabtree-bear-mileage-table", "notes": "", "observation_id": "observation-emigrant-crabtree-bear-mileage-table", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "2012-06, ROG 16-27 Crabtree column, page 1: Bear Lake 3.9 miles from Crabtree. Endpoint precision is not specified; editions disagree.", "observation_id": "observation-emigrant-crabtree-bear-mileage-table", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-mileage-table" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Trail%20Mileages%20-%20Emigrant%202012.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-mileage-table" } ], "subject": { "entity_id": "route-emigrant-crabtree-bear-lake", "kind": "route", "name": "Crabtree to Bear Lake" } }, { "claim": { "claim_id": "claim-emigrant-crabtree-lake-valley-junction-milepoint", "evidence_ids": [ "evidence-emigrant-crabtree-lake-valley-junction-milepoint" ], "predicate": "published_milepoint", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake", "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-node-emigrant-lake-valley-junction", "temporal_scope": null, "value": { "cumulative_miles_from_crabtree": 0.1, "source_edition": "2012-06" } }, "evidence": [ { "claim_id": "claim-emigrant-crabtree-lake-valley-junction-milepoint", "evidence_id": "evidence-emigrant-crabtree-lake-valley-junction-milepoint", "notes": "", "observation_id": "observation-emigrant-crabtree-lake-valley-junction-milepoint", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "ROG 16-27 June 2012 page 1, Crabtree column: Lake Valley Trail 0.1 miles. This is a destination milepoint, not an atomic segment distance.", "observation_id": "observation-emigrant-crabtree-lake-valley-junction-milepoint", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-mileage-table" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Trail%20Mileages%20-%20Emigrant%202012.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-mileage-table" } ], "subject": { "entity_id": "route-node-emigrant-lake-valley-junction", "kind": "route_node", "name": "Lake Valley Trail junction near Crabtree" } }, { "claim": { "claim_id": "claim-emigrant-crabtree-pine-valley-junction-milepoint", "evidence_ids": [ "evidence-emigrant-crabtree-pine-valley-junction-milepoint" ], "predicate": "published_milepoint", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake", "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-node-emigrant-pine-valley-junction", "temporal_scope": null, "value": { "cumulative_miles_from_crabtree": 1.4, "source_edition": "2012-06" } }, "evidence": [ { "claim_id": "claim-emigrant-crabtree-pine-valley-junction-milepoint", "evidence_id": "evidence-emigrant-crabtree-pine-valley-junction-milepoint", "notes": "", "observation_id": "observation-emigrant-crabtree-pine-valley-junction-milepoint", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "ROG 16-27 June 2012 page 1, Crabtree column: Pine Valley Trail 1.4 miles. This is a destination milepoint, not an atomic segment distance.", "observation_id": "observation-emigrant-crabtree-pine-valley-junction-milepoint", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-mileage-table" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Trail%20Mileages%20-%20Emigrant%202012.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-mileage-table" } ], "subject": { "entity_id": "route-node-emigrant-pine-valley-junction", "kind": "route_node", "name": "Pine Valley Trail junction on Camp Lake approach" } }, { "claim": { "claim_id": "claim-emigrant-crabtree-legacy-schematic", "evidence_ids": [ "evidence-emigrant-crabtree-legacy-schematic" ], "predicate": "published_schematic_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake", "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-node-emigrant-pine-valley-junction", "temporal_scope": null, "value": { "camp_bear_branch_miles": 1.0, "crabtree_to_south_junction_miles": 1.3, "endpoint_alignment": "coarse; unresolved", "not_atomic_distance": true, "source_edition": "unknown", "south_junction_toward_camp_miles": 1.3 } }, "evidence": [ { "claim_id": "claim-emigrant-crabtree-legacy-schematic", "evidence_id": "evidence-emigrant-crabtree-legacy-schematic", "notes": "", "observation_id": "observation-emigrant-crabtree-legacy-schematic", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Undated Emigrant Wilderness Trail Distances GIF, western panel: Crabtree to an unlabeled south junction is labeled 1.3; the eastward link from that junction toward Camp Lake is also labeled 1.3; Camp/Bear branch 1.0. This coarse schematic omits the Lake Valley junction near Crabtree and does not distinguish the Camp Lake approach from the east-side Bear junction.", "observation_id": "observation-emigrant-crabtree-legacy-schematic", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-trail-map" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/r05/stanislaus/image/emigrant-wilderness-trail-map.gif", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-trail-map" } ], "subject": { "entity_id": "route-node-emigrant-pine-valley-junction", "kind": "route_node", "name": "Pine Valley Trail junction on Camp Lake approach" } }, { "claim": { "claim_id": "claim-emigrant-crabtree-schematic-crabtree-junction", "evidence_ids": [ "evidence-emigrant-crabtree-schematic-crabtree-junction" ], "predicate": "published_schematic_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake", "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-node-emigrant-pine-valley-junction", "temporal_scope": null, "value": { "endpoint": "first drawn south-side junction; Pine Valley connection on overview", "not_atomic_distance": true, "omitted_branch": "Lake Valley", "qualifier": "estimate", "reported_miles": 1.3 } }, "evidence": [ { "claim_id": "claim-emigrant-crabtree-schematic-crabtree-junction", "evidence_id": "evidence-emigrant-crabtree-schematic-crabtree-junction", "notes": "", "observation_id": "observation-emigrant-crabtree-schematic-crabtree-junction", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Emigrant Trail Mileage Diagram (2021 filename), western panel: Crabtree to the first drawn south-side junction is labeled 1.3. Lake Valley branch is omitted. Diagram calls mileages estimates, straightens trail segments and disclaims navigation/scale.", "observation_id": "observation-emigrant-crabtree-schematic-crabtree-junction", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-mileage-diagram" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Emigrant%20Trail%20Mileage%20Diagram%202021.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-mileage-diagram" } ], "subject": { "entity_id": "route-node-emigrant-pine-valley-junction", "kind": "route_node", "name": "Pine Valley Trail junction on Camp Lake approach" } }, { "claim": { "claim_id": "claim-emigrant-geometry-bear-spur", "evidence_ids": [ "evidence-emigrant-geometry-bear-spur" ], "predicate": "reviewed_route_display_geometry", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-segment-emigrant-crabtree-bear-spur", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4326", "current_route_status": "unknown; pre-trip check required", "distance_policy": "Existing topology claims control mileage; no distance derived from these coordinates.", "end_coordinate": { "latitude": 38.17439691200468, "longitude": -119.86702313700192 }, "geometry_snapshot": { "feature_id": "usfs-emigrant-bear-spur", "path": "geometry/v0/snapshots/usfs-emigrant-crabtree-routes-20261006.geojson", "sha256": "33fba5638eb580a602ba16c4bd4dada51a35c696002db839fde0612fb603285d" }, "navigation_grade": false, "route_role": "official_mainline", "source_coordinate_accuracy": "unknown", "source_feature_id": 9430557, "source_globalid": "{8497BEEB-8635-4A89-8352-B24C998130DD}", "source_trail_number": "19E09", "source_vertex_range_inclusive": [ 0, 164 ], "start_coordinate": { "latitude": 38.166155721488686, "longitude": -119.87741437071607 } } }, "evidence": [ { "claim_id": "claim-emigrant-geometry-bear-spur", "evidence_id": "evidence-emigrant-geometry-bear-spur", "notes": "Wayproof display assignment to already evidenced endpoints; no new topology inferred from proximity.", "observation_id": "observation-emigrant-geometry-bear-spur", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Public National Forest System Trails layer, feature 9430557, globalid {8497BEEB-8635-4A89-8352-B24C998130DD}, trail 19E09 BEAR LAKE: reviewed EPSG:4326 source vertices 0 through 164 are retained for display. Source segment_length 1 and gis_miles 0.9720000000000001 describe the original feature, not a computed length for this slice. Coordinate accuracy and current field condition are not established by retrieval.", "observation_id": "observation-emigrant-geometry-bear-spur", "observed_at": null, "observer": "Wayproof named-feature and official-map review", "retrieved_at": "2026-10-06T00:09:34+00:00", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ], "sources": [ { "locator": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0", "publisher": "USDA Forest Service", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ], "subject": { "entity_id": "route-segment-emigrant-crabtree-bear-spur", "kind": "route_segment", "name": "Bear Spur" } }, { "claim": { "claim_id": "claim-emigrant-geometry-camp-bear-junction", "evidence_ids": [ "evidence-emigrant-geometry-camp-bear-junction" ], "predicate": "reviewed_route_display_geometry", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-segment-emigrant-crabtree-camp-bear-junction", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4326", "current_route_status": "unknown; pre-trip check required", "distance_policy": "Existing topology claims control mileage; no distance derived from these coordinates.", "end_coordinate": { "latitude": 38.166155721488686, "longitude": -119.87741437071607 }, "geometry_snapshot": { "feature_id": "usfs-emigrant-camp-bear-junction", "path": "geometry/v0/snapshots/usfs-emigrant-crabtree-routes-20261006.geojson", "sha256": "33fba5638eb580a602ba16c4bd4dada51a35c696002db839fde0612fb603285d" }, "navigation_grade": false, "route_role": "official_mainline", "source_coordinate_accuracy": "unknown", "source_feature_id": 9430618, "source_globalid": "{1D2CDA88-08B4-4846-B5CD-A4ECF893054B}", "source_trail_number": "20E16", "source_vertex_range_inclusive": [ 836, 806 ], "start_coordinate": { "latitude": 38.16518574092221, "longitude": -119.88391532965653 } } }, "evidence": [ { "claim_id": "claim-emigrant-geometry-camp-bear-junction", "evidence_id": "evidence-emigrant-geometry-camp-bear-junction", "notes": "Wayproof display assignment to already evidenced endpoints; no new topology inferred from proximity.", "observation_id": "observation-emigrant-geometry-camp-bear-junction", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Public National Forest System Trails layer, feature 9430618, globalid {1D2CDA88-08B4-4846-B5CD-A4ECF893054B}, trail 20E16 CRABTREE: reviewed EPSG:4326 source vertices 836 through 806 are retained for display. Source segment_length 10.1 and gis_miles 9.942 describe the original feature, not a computed length for this slice. Coordinate accuracy and current field condition are not established by retrieval.", "observation_id": "observation-emigrant-geometry-camp-bear-junction", "observed_at": null, "observer": "Wayproof named-feature and official-map review", "retrieved_at": "2026-10-06T00:09:34+00:00", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ], "sources": [ { "locator": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0", "publisher": "USDA Forest Service", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ], "subject": { "entity_id": "route-segment-emigrant-crabtree-camp-bear-junction", "kind": "route_segment", "name": "Camp Bear Junction" } }, { "claim": { "claim_id": "claim-emigrant-geometry-lake-valley-pine-valley", "evidence_ids": [ "evidence-emigrant-geometry-lake-valley-pine-valley" ], "predicate": "reviewed_route_display_geometry", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake", "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-segment-emigrant-crabtree-lake-valley-pine-valley", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4326", "current_route_status": "unknown; pre-trip check required", "distance_policy": "Existing topology claims control mileage; no distance derived from these coordinates.", "end_coordinate": { "latitude": 38.165350570701605, "longitude": -119.90071919040176 }, "geometry_snapshot": { "feature_id": "usfs-emigrant-lake-valley-pine-valley", "path": "geometry/v0/snapshots/usfs-emigrant-crabtree-routes-20261006.geojson", "sha256": "33fba5638eb580a602ba16c4bd4dada51a35c696002db839fde0612fb603285d" }, "navigation_grade": false, "route_role": "official_mainline", "source_coordinate_accuracy": "unknown", "source_feature_id": 9428086, "source_globalid": "{DD41DD87-9AAE-4FE1-B078-0427EEE709F1}", "source_trail_number": "20E16", "source_vertex_range_inclusive": [ 172, 67 ], "start_coordinate": { "latitude": 38.17758396939358, "longitude": -119.90646170977695 } } }, "evidence": [ { "claim_id": "claim-emigrant-geometry-lake-valley-pine-valley", "evidence_id": "evidence-emigrant-geometry-lake-valley-pine-valley", "notes": "Wayproof display assignment to already evidenced endpoints; no new topology inferred from proximity.", "observation_id": "observation-emigrant-geometry-lake-valley-pine-valley", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Public National Forest System Trails layer, feature 9428086, globalid {DD41DD87-9AAE-4FE1-B078-0427EEE709F1}, trail 20E16 CRABTREE: reviewed EPSG:4326 source vertices 172 through 67 are retained for display. Source segment_length 2.232 and gis_miles 2.231 describe the original feature, not a computed length for this slice. Coordinate accuracy and current field condition are not established by retrieval.", "observation_id": "observation-emigrant-geometry-lake-valley-pine-valley", "observed_at": null, "observer": "Wayproof named-feature and official-map review", "retrieved_at": "2026-10-06T00:09:34+00:00", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ], "sources": [ { "locator": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0", "publisher": "USDA Forest Service", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ], "subject": { "entity_id": "route-segment-emigrant-crabtree-lake-valley-pine-valley", "kind": "route_segment", "name": "Lake Valley Pine Valley" } }, { "claim": { "claim_id": "claim-emigrant-geometry-pine-valley-camp", "evidence_ids": [ "evidence-emigrant-geometry-pine-valley-camp" ], "predicate": "reviewed_route_display_geometry", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake", "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-segment-emigrant-crabtree-pine-valley-camp", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4326", "current_route_status": "unknown; pre-trip check required", "distance_policy": "Existing topology claims control mileage; no distance derived from these coordinates.", "end_coordinate": { "latitude": 38.16518574092221, "longitude": -119.88391532965653 }, "geometry_snapshot": { "feature_id": "usfs-emigrant-pine-valley-camp", "path": "geometry/v0/snapshots/usfs-emigrant-crabtree-routes-20261006.geojson", "sha256": "33fba5638eb580a602ba16c4bd4dada51a35c696002db839fde0612fb603285d" }, "navigation_grade": false, "route_role": "official_mainline", "source_coordinate_accuracy": "unknown", "source_feature_id": 9428086, "source_globalid": "{DD41DD87-9AAE-4FE1-B078-0427EEE709F1}", "source_trail_number": "20E16", "source_vertex_range_inclusive": [ 67, 0 ], "start_coordinate": { "latitude": 38.165350570701605, "longitude": -119.90071919040176 } } }, "evidence": [ { "claim_id": "claim-emigrant-geometry-pine-valley-camp", "evidence_id": "evidence-emigrant-geometry-pine-valley-camp", "notes": "Wayproof display assignment to already evidenced endpoints; no new topology inferred from proximity.", "observation_id": "observation-emigrant-geometry-pine-valley-camp", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Public National Forest System Trails layer, feature 9428086, globalid {DD41DD87-9AAE-4FE1-B078-0427EEE709F1}, trail 20E16 CRABTREE: reviewed EPSG:4326 source vertices 67 through 0 are retained for display. Source segment_length 2.232 and gis_miles 2.231 describe the original feature, not a computed length for this slice. Coordinate accuracy and current field condition are not established by retrieval.", "observation_id": "observation-emigrant-geometry-pine-valley-camp", "observed_at": null, "observer": "Wayproof named-feature and official-map review", "retrieved_at": "2026-10-06T00:09:34+00:00", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ], "sources": [ { "locator": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0", "publisher": "USDA Forest Service", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ], "subject": { "entity_id": "route-segment-emigrant-crabtree-pine-valley-camp", "kind": "route_segment", "name": "Pine Valley Camp" } }, { "claim": { "claim_id": "claim-emigrant-geometry-start-lake-valley", "evidence_ids": [ "evidence-emigrant-geometry-start-lake-valley" ], "predicate": "reviewed_route_display_geometry", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake", "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-segment-emigrant-crabtree-start-lake-valley", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4326", "current_route_status": "unknown; pre-trip check required", "distance_policy": "Existing topology claims control mileage; no distance derived from these coordinates.", "end_coordinate": { "latitude": 38.17758396939358, "longitude": -119.90646170977695 }, "geometry_snapshot": { "feature_id": "usfs-emigrant-start-lake-valley", "path": "geometry/v0/snapshots/usfs-emigrant-crabtree-routes-20261006.geojson", "sha256": "33fba5638eb580a602ba16c4bd4dada51a35c696002db839fde0612fb603285d" }, "navigation_grade": false, "route_role": "official_mainline", "source_coordinate_accuracy": "unknown", "source_feature_id": 9428086, "source_globalid": "{DD41DD87-9AAE-4FE1-B078-0427EEE709F1}", "source_trail_number": "20E16", "source_vertex_range_inclusive": [ 182, 172 ], "start_coordinate": { "latitude": 38.178658657463544, "longitude": -119.9068410709654 } } }, "evidence": [ { "claim_id": "claim-emigrant-geometry-start-lake-valley", "evidence_id": "evidence-emigrant-geometry-start-lake-valley", "notes": "Wayproof display assignment to already evidenced endpoints; no new topology inferred from proximity.", "observation_id": "observation-emigrant-geometry-start-lake-valley", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Public National Forest System Trails layer, feature 9428086, globalid {DD41DD87-9AAE-4FE1-B078-0427EEE709F1}, trail 20E16 CRABTREE: reviewed EPSG:4326 source vertices 182 through 172 are retained for display. Source segment_length 2.232 and gis_miles 2.231 describe the original feature, not a computed length for this slice. Coordinate accuracy and current field condition are not established by retrieval.", "observation_id": "observation-emigrant-geometry-start-lake-valley", "observed_at": null, "observer": "Wayproof named-feature and official-map review", "retrieved_at": "2026-10-06T00:09:34+00:00", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ], "sources": [ { "locator": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0", "publisher": "USDA Forest Service", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ], "subject": { "entity_id": "route-segment-emigrant-crabtree-start-lake-valley", "kind": "route_segment", "name": "Start Lake Valley" } }, { "claim": { "claim_id": "claim-emigrant-crabtree-bear-profile", "evidence_ids": [ "evidence-emigrant-crabtree-bear-profile" ], "predicate": "route_description", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-emigrant-crabtree-bear-lake", "temporal_scope": null, "value": { "current_conditions": "unknown", "directionality": "bidirectional mapped trail", "entry_id": "trailhead-emigrant-crabtree", "name_status": "Wayproof descriptive approach", "objective_id": "waterbody-emigrant-bear-lake", "source_edition": "2018-11" } }, "evidence": [ { "claim_id": "claim-emigrant-crabtree-bear-profile", "evidence_id": "evidence-emigrant-crabtree-bear-profile", "notes": "", "observation_id": "observation-emigrant-crabtree-bear-profile", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Favorite Hiking Trails, ROG 16-41, November 2018, page 2 Day Hikes (mileages one way): Bear Lake starts from Crabtree; Bear Lake continues past Camp Lake. Route names used here are descriptive, not asserted official trail names.", "observation_id": "observation-emigrant-crabtree-bear-profile", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-favorite-hikes" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/r05/stanislaus/publication/Favorite%20Hiking%20Trails.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-favorite-hikes" } ], "subject": { "entity_id": "route-emigrant-crabtree-bear-lake", "kind": "route", "name": "Crabtree to Bear Lake" } } ], "entity": { "entity_id": "route-emigrant-crabtree-bear-lake", "kind": "route", "name": "Crabtree to Bear Lake" }, "gap_details": [ { "claims": [ { "claim": { "claim_id": "claim-emigrant-geometry-bear-spur", "evidence_ids": [ "evidence-emigrant-geometry-bear-spur" ], "predicate": "reviewed_route_display_geometry", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-segment-emigrant-crabtree-bear-spur", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4326", "current_route_status": "unknown; pre-trip check required", "distance_policy": "Existing topology claims control mileage; no distance derived from these coordinates.", "end_coordinate": { "latitude": 38.17439691200468, "longitude": -119.86702313700192 }, "geometry_snapshot": { "feature_id": "usfs-emigrant-bear-spur", "path": "geometry/v0/snapshots/usfs-emigrant-crabtree-routes-20261006.geojson", "sha256": "33fba5638eb580a602ba16c4bd4dada51a35c696002db839fde0612fb603285d" }, "navigation_grade": false, "route_role": "official_mainline", "source_coordinate_accuracy": "unknown", "source_feature_id": 9430557, "source_globalid": "{8497BEEB-8635-4A89-8352-B24C998130DD}", "source_trail_number": "19E09", "source_vertex_range_inclusive": [ 0, 164 ], "start_coordinate": { "latitude": 38.166155721488686, "longitude": -119.87741437071607 } } }, "evidence": [ { "claim_id": "claim-emigrant-geometry-bear-spur", "evidence_id": "evidence-emigrant-geometry-bear-spur", "notes": "Wayproof display assignment to already evidenced endpoints; no new topology inferred from proximity.", "observation_id": "observation-emigrant-geometry-bear-spur", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Public National Forest System Trails layer, feature 9430557, globalid {8497BEEB-8635-4A89-8352-B24C998130DD}, trail 19E09 BEAR LAKE: reviewed EPSG:4326 source vertices 0 through 164 are retained for display. Source segment_length 1 and gis_miles 0.9720000000000001 describe the original feature, not a computed length for this slice. Coordinate accuracy and current field condition are not established by retrieval.", "observation_id": "observation-emigrant-geometry-bear-spur", "observed_at": null, "observer": "Wayproof named-feature and official-map review", "retrieved_at": "2026-10-06T00:09:34+00:00", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ], "sources": [ { "locator": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0", "publisher": "USDA Forest Service", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ] }, { "claim": { "claim_id": "claim-emigrant-geometry-camp-bear-junction", "evidence_ids": [ "evidence-emigrant-geometry-camp-bear-junction" ], "predicate": "reviewed_route_display_geometry", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-segment-emigrant-crabtree-camp-bear-junction", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4326", "current_route_status": "unknown; pre-trip check required", "distance_policy": "Existing topology claims control mileage; no distance derived from these coordinates.", "end_coordinate": { "latitude": 38.166155721488686, "longitude": -119.87741437071607 }, "geometry_snapshot": { "feature_id": "usfs-emigrant-camp-bear-junction", "path": "geometry/v0/snapshots/usfs-emigrant-crabtree-routes-20261006.geojson", "sha256": "33fba5638eb580a602ba16c4bd4dada51a35c696002db839fde0612fb603285d" }, "navigation_grade": false, "route_role": "official_mainline", "source_coordinate_accuracy": "unknown", "source_feature_id": 9430618, "source_globalid": "{1D2CDA88-08B4-4846-B5CD-A4ECF893054B}", "source_trail_number": "20E16", "source_vertex_range_inclusive": [ 836, 806 ], "start_coordinate": { "latitude": 38.16518574092221, "longitude": -119.88391532965653 } } }, "evidence": [ { "claim_id": "claim-emigrant-geometry-camp-bear-junction", "evidence_id": "evidence-emigrant-geometry-camp-bear-junction", "notes": "Wayproof display assignment to already evidenced endpoints; no new topology inferred from proximity.", "observation_id": "observation-emigrant-geometry-camp-bear-junction", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Public National Forest System Trails layer, feature 9430618, globalid {1D2CDA88-08B4-4846-B5CD-A4ECF893054B}, trail 20E16 CRABTREE: reviewed EPSG:4326 source vertices 836 through 806 are retained for display. Source segment_length 10.1 and gis_miles 9.942 describe the original feature, not a computed length for this slice. Coordinate accuracy and current field condition are not established by retrieval.", "observation_id": "observation-emigrant-geometry-camp-bear-junction", "observed_at": null, "observer": "Wayproof named-feature and official-map review", "retrieved_at": "2026-10-06T00:09:34+00:00", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ], "sources": [ { "locator": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0", "publisher": "USDA Forest Service", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ] }, { "claim": { "claim_id": "claim-emigrant-geometry-lake-valley-pine-valley", "evidence_ids": [ "evidence-emigrant-geometry-lake-valley-pine-valley" ], "predicate": "reviewed_route_display_geometry", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake", "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-segment-emigrant-crabtree-lake-valley-pine-valley", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4326", "current_route_status": "unknown; pre-trip check required", "distance_policy": "Existing topology claims control mileage; no distance derived from these coordinates.", "end_coordinate": { "latitude": 38.165350570701605, "longitude": -119.90071919040176 }, "geometry_snapshot": { "feature_id": "usfs-emigrant-lake-valley-pine-valley", "path": "geometry/v0/snapshots/usfs-emigrant-crabtree-routes-20261006.geojson", "sha256": "33fba5638eb580a602ba16c4bd4dada51a35c696002db839fde0612fb603285d" }, "navigation_grade": false, "route_role": "official_mainline", "source_coordinate_accuracy": "unknown", "source_feature_id": 9428086, "source_globalid": "{DD41DD87-9AAE-4FE1-B078-0427EEE709F1}", "source_trail_number": "20E16", "source_vertex_range_inclusive": [ 172, 67 ], "start_coordinate": { "latitude": 38.17758396939358, "longitude": -119.90646170977695 } } }, "evidence": [ { "claim_id": "claim-emigrant-geometry-lake-valley-pine-valley", "evidence_id": "evidence-emigrant-geometry-lake-valley-pine-valley", "notes": "Wayproof display assignment to already evidenced endpoints; no new topology inferred from proximity.", "observation_id": "observation-emigrant-geometry-lake-valley-pine-valley", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Public National Forest System Trails layer, feature 9428086, globalid {DD41DD87-9AAE-4FE1-B078-0427EEE709F1}, trail 20E16 CRABTREE: reviewed EPSG:4326 source vertices 172 through 67 are retained for display. Source segment_length 2.232 and gis_miles 2.231 describe the original feature, not a computed length for this slice. Coordinate accuracy and current field condition are not established by retrieval.", "observation_id": "observation-emigrant-geometry-lake-valley-pine-valley", "observed_at": null, "observer": "Wayproof named-feature and official-map review", "retrieved_at": "2026-10-06T00:09:34+00:00", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ], "sources": [ { "locator": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0", "publisher": "USDA Forest Service", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ] }, { "claim": { "claim_id": "claim-emigrant-geometry-pine-valley-camp", "evidence_ids": [ "evidence-emigrant-geometry-pine-valley-camp" ], "predicate": "reviewed_route_display_geometry", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake", "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-segment-emigrant-crabtree-pine-valley-camp", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4326", "current_route_status": "unknown; pre-trip check required", "distance_policy": "Existing topology claims control mileage; no distance derived from these coordinates.", "end_coordinate": { "latitude": 38.16518574092221, "longitude": -119.88391532965653 }, "geometry_snapshot": { "feature_id": "usfs-emigrant-pine-valley-camp", "path": "geometry/v0/snapshots/usfs-emigrant-crabtree-routes-20261006.geojson", "sha256": "33fba5638eb580a602ba16c4bd4dada51a35c696002db839fde0612fb603285d" }, "navigation_grade": false, "route_role": "official_mainline", "source_coordinate_accuracy": "unknown", "source_feature_id": 9428086, "source_globalid": "{DD41DD87-9AAE-4FE1-B078-0427EEE709F1}", "source_trail_number": "20E16", "source_vertex_range_inclusive": [ 67, 0 ], "start_coordinate": { "latitude": 38.165350570701605, "longitude": -119.90071919040176 } } }, "evidence": [ { "claim_id": "claim-emigrant-geometry-pine-valley-camp", "evidence_id": "evidence-emigrant-geometry-pine-valley-camp", "notes": "Wayproof display assignment to already evidenced endpoints; no new topology inferred from proximity.", "observation_id": "observation-emigrant-geometry-pine-valley-camp", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Public National Forest System Trails layer, feature 9428086, globalid {DD41DD87-9AAE-4FE1-B078-0427EEE709F1}, trail 20E16 CRABTREE: reviewed EPSG:4326 source vertices 67 through 0 are retained for display. Source segment_length 2.232 and gis_miles 2.231 describe the original feature, not a computed length for this slice. Coordinate accuracy and current field condition are not established by retrieval.", "observation_id": "observation-emigrant-geometry-pine-valley-camp", "observed_at": null, "observer": "Wayproof named-feature and official-map review", "retrieved_at": "2026-10-06T00:09:34+00:00", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ], "sources": [ { "locator": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0", "publisher": "USDA Forest Service", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ] }, { "claim": { "claim_id": "claim-emigrant-geometry-start-lake-valley", "evidence_ids": [ "evidence-emigrant-geometry-start-lake-valley" ], "predicate": "reviewed_route_display_geometry", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake", "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-segment-emigrant-crabtree-start-lake-valley", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4326", "current_route_status": "unknown; pre-trip check required", "distance_policy": "Existing topology claims control mileage; no distance derived from these coordinates.", "end_coordinate": { "latitude": 38.17758396939358, "longitude": -119.90646170977695 }, "geometry_snapshot": { "feature_id": "usfs-emigrant-start-lake-valley", "path": "geometry/v0/snapshots/usfs-emigrant-crabtree-routes-20261006.geojson", "sha256": "33fba5638eb580a602ba16c4bd4dada51a35c696002db839fde0612fb603285d" }, "navigation_grade": false, "route_role": "official_mainline", "source_coordinate_accuracy": "unknown", "source_feature_id": 9428086, "source_globalid": "{DD41DD87-9AAE-4FE1-B078-0427EEE709F1}", "source_trail_number": "20E16", "source_vertex_range_inclusive": [ 182, 172 ], "start_coordinate": { "latitude": 38.178658657463544, "longitude": -119.9068410709654 } } }, "evidence": [ { "claim_id": "claim-emigrant-geometry-start-lake-valley", "evidence_id": "evidence-emigrant-geometry-start-lake-valley", "notes": "Wayproof display assignment to already evidenced endpoints; no new topology inferred from proximity.", "observation_id": "observation-emigrant-geometry-start-lake-valley", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Public National Forest System Trails layer, feature 9428086, globalid {DD41DD87-9AAE-4FE1-B078-0427EEE709F1}, trail 20E16 CRABTREE: reviewed EPSG:4326 source vertices 182 through 172 are retained for display. Source segment_length 2.232 and gis_miles 2.231 describe the original feature, not a computed length for this slice. Coordinate accuracy and current field condition are not established by retrieval.", "observation_id": "observation-emigrant-geometry-start-lake-valley", "observed_at": null, "observer": "Wayproof named-feature and official-map review", "retrieved_at": "2026-10-06T00:09:34+00:00", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ], "sources": [ { "locator": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0", "publisher": "USDA Forest Service", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ] } ], "entities": [ { "entity_id": "route-emigrant-crabtree-bear-lake", "kind": "route", "name": "Crabtree to Bear Lake" }, { "entity_id": "route-emigrant-crabtree-camp-lake", "kind": "route", "name": "Crabtree to Camp Lake" }, { "entity_id": "route-segment-emigrant-crabtree-bear-spur", "kind": "route_segment", "name": "Bear Spur" }, { "entity_id": "route-segment-emigrant-crabtree-camp-bear-junction", "kind": "route_segment", "name": "Camp Bear Junction" }, { "entity_id": "route-segment-emigrant-crabtree-lake-valley-pine-valley", "kind": "route_segment", "name": "Lake Valley Pine Valley" }, { "entity_id": "route-segment-emigrant-crabtree-pine-valley-camp", "kind": "route_segment", "name": "Pine Valley Camp" }, { "entity_id": "route-segment-emigrant-crabtree-start-lake-valley", "kind": "route_segment", "name": "Start Lake Valley" } ], "history": [ { "action": "REPLACE", "change_set_id": "wp-20261006-emigrant-completion", "evidence_refs": [], "knowledge_gap_refs": [ "gap-emigrant-crabtree-geometry-limitations" ], "path": "canonical/v0/gaps/gap-emigrant-crabtree-geometry-limitations.json", "reason": "Add combined southern approaches, boundary, entry-policy and facility audit; preserve uncertainty.", "record_id": "gap-emigrant-crabtree-geometry-limitations", "record_type": "gap", "summary": "Combine five southern/eastern Emigrant approaches with reviewed boundary, jurisdiction-specific planning and campground/operator inventory audit." }, { "action": "ADD", "change_set_id": "wp-20261006-emigrant-crabtree-geometry", "evidence_refs": [], "knowledge_gap_refs": [], "path": "canonical/v0/gaps/gap-emigrant-crabtree-geometry-limitations.json", "reason": "Attach reviewed federal display geometry without changing graph or mileage.", "record_id": "gap-emigrant-crabtree-geometry-limitations", "record_type": "gap", "summary": "Make the existing Crabtree lake approaches geographically drawable with reviewed USFS vertices and explicit display limits." }, { "action": "REPLACE", "change_set_id": "wp-20261006-emigrant-western-coverage", "evidence_refs": [], "knowledge_gap_refs": [ "gap-emigrant-crabtree-geometry-limitations" ], "path": "canonical/v0/gaps/gap-emigrant-crabtree-geometry-limitations.json", "reason": "Add bounded western approach, geometry and facility evidence; retain unresolved planning limits.", "record_id": "gap-emigrant-crabtree-geometry-limitations", "record_type": "gap", "summary": "Add six drawable western Emigrant approaches with shared physical segments, lake camping evidence and historical trailhead facilities." } ], "navigation": { "next_id": "gap-emigrant-crabtree-junction-mileage", "position": 171, "previous_id": "gap-emigrant-crabtree-camp-mileage", "total": 299 }, "observations": [ { "artifact_refs": [], "content": "Public National Forest System Trails layer, feature 9430557, globalid {8497BEEB-8635-4A89-8352-B24C998130DD}, trail 19E09 BEAR LAKE: reviewed EPSG:4326 source vertices 0 through 164 are retained for display. Source segment_length 1 and gis_miles 0.9720000000000001 describe the original feature, not a computed length for this slice. Coordinate accuracy and current field condition are not established by retrieval.", "observation_id": "observation-emigrant-geometry-bear-spur", "observed_at": null, "observer": "Wayproof named-feature and official-map review", "retrieved_at": "2026-10-06T00:09:34+00:00", "source_id": "source-usfs-emigrant-nfs-trail-geometry" }, { "artifact_refs": [], "content": "Public National Forest System Trails layer, feature 9430618, globalid {1D2CDA88-08B4-4846-B5CD-A4ECF893054B}, trail 20E16 CRABTREE: reviewed EPSG:4326 source vertices 836 through 806 are retained for display. Source segment_length 10.1 and gis_miles 9.942 describe the original feature, not a computed length for this slice. Coordinate accuracy and current field condition are not established by retrieval.", "observation_id": "observation-emigrant-geometry-camp-bear-junction", "observed_at": null, "observer": "Wayproof named-feature and official-map review", "retrieved_at": "2026-10-06T00:09:34+00:00", "source_id": "source-usfs-emigrant-nfs-trail-geometry" }, { "artifact_refs": [], "content": "Public National Forest System Trails layer, feature 9428086, globalid {DD41DD87-9AAE-4FE1-B078-0427EEE709F1}, trail 20E16 CRABTREE: reviewed EPSG:4326 source vertices 172 through 67 are retained for display. Source segment_length 2.232 and gis_miles 2.231 describe the original feature, not a computed length for this slice. Coordinate accuracy and current field condition are not established by retrieval.", "observation_id": "observation-emigrant-geometry-lake-valley-pine-valley", "observed_at": null, "observer": "Wayproof named-feature and official-map review", "retrieved_at": "2026-10-06T00:09:34+00:00", "source_id": "source-usfs-emigrant-nfs-trail-geometry" }, { "artifact_refs": [], "content": "Public National Forest System Trails layer, feature 9428086, globalid {DD41DD87-9AAE-4FE1-B078-0427EEE709F1}, trail 20E16 CRABTREE: reviewed EPSG:4326 source vertices 67 through 0 are retained for display. Source segment_length 2.232 and gis_miles 2.231 describe the original feature, not a computed length for this slice. Coordinate accuracy and current field condition are not established by retrieval.", "observation_id": "observation-emigrant-geometry-pine-valley-camp", "observed_at": null, "observer": "Wayproof named-feature and official-map review", "retrieved_at": "2026-10-06T00:09:34+00:00", "source_id": "source-usfs-emigrant-nfs-trail-geometry" }, { "artifact_refs": [], "content": "Public National Forest System Trails layer, feature 9428086, globalid {DD41DD87-9AAE-4FE1-B078-0427EEE709F1}, trail 20E16 CRABTREE: reviewed EPSG:4326 source vertices 182 through 172 are retained for display. Source segment_length 2.232 and gis_miles 2.231 describe the original feature, not a computed length for this slice. Coordinate accuracy and current field condition are not established by retrieval.", "observation_id": "observation-emigrant-geometry-start-lake-valley", "observed_at": null, "observer": "Wayproof named-feature and official-map review", "retrieved_at": "2026-10-06T00:09:34+00:00", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ], "record": { "gap_id": "gap-emigrant-crabtree-geometry-limitations", "question": "What does the Crabtree route display geometry establish?", "reason": "Camp western access remains a descriptive source-feature break, not a lake centroid or campsite. Reviewed Crabtree display geometry and Emigrant PAD-US boundary are published. Source accuracy, current trail alignment and conditions remain unknown; unsnapped Lake Valley mismatch, unreviewed branches, parking/facility connectors and navigation-grade survey remain unresolved.", "related_ids": [ "claim-emigrant-geometry-start-lake-valley", "claim-emigrant-geometry-lake-valley-pine-valley", "claim-emigrant-geometry-pine-valley-camp", "claim-emigrant-geometry-camp-bear-junction", "claim-emigrant-geometry-bear-spur", "route-emigrant-crabtree-camp-lake", "route-emigrant-crabtree-bear-lake" ] }, "record_type": "gap", "related_records": [ { "record": { "claim_id": "claim-emigrant-geometry-start-lake-valley", "evidence_ids": [ "evidence-emigrant-geometry-start-lake-valley" ], "predicate": "reviewed_route_display_geometry", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake", "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-segment-emigrant-crabtree-start-lake-valley", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4326", "current_route_status": "unknown; pre-trip check required", "distance_policy": "Existing topology claims control mileage; no distance derived from these coordinates.", "end_coordinate": { "latitude": 38.17758396939358, "longitude": -119.90646170977695 }, "geometry_snapshot": { "feature_id": "usfs-emigrant-start-lake-valley", "path": "geometry/v0/snapshots/usfs-emigrant-crabtree-routes-20261006.geojson", "sha256": "33fba5638eb580a602ba16c4bd4dada51a35c696002db839fde0612fb603285d" }, "navigation_grade": false, "route_role": "official_mainline", "source_coordinate_accuracy": "unknown", "source_feature_id": 9428086, "source_globalid": "{DD41DD87-9AAE-4FE1-B078-0427EEE709F1}", "source_trail_number": "20E16", "source_vertex_range_inclusive": [ 182, 172 ], "start_coordinate": { "latitude": 38.178658657463544, "longitude": -119.9068410709654 } } }, "record_id": "claim-emigrant-geometry-start-lake-valley", "record_type": "claim" }, { "record": { "claim_id": "claim-emigrant-geometry-lake-valley-pine-valley", "evidence_ids": [ "evidence-emigrant-geometry-lake-valley-pine-valley" ], "predicate": "reviewed_route_display_geometry", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake", "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-segment-emigrant-crabtree-lake-valley-pine-valley", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4326", "current_route_status": "unknown; pre-trip check required", "distance_policy": "Existing topology claims control mileage; no distance derived from these coordinates.", "end_coordinate": { "latitude": 38.165350570701605, "longitude": -119.90071919040176 }, "geometry_snapshot": { "feature_id": "usfs-emigrant-lake-valley-pine-valley", "path": "geometry/v0/snapshots/usfs-emigrant-crabtree-routes-20261006.geojson", "sha256": "33fba5638eb580a602ba16c4bd4dada51a35c696002db839fde0612fb603285d" }, "navigation_grade": false, "route_role": "official_mainline", "source_coordinate_accuracy": "unknown", "source_feature_id": 9428086, "source_globalid": "{DD41DD87-9AAE-4FE1-B078-0427EEE709F1}", "source_trail_number": "20E16", "source_vertex_range_inclusive": [ 172, 67 ], "start_coordinate": { "latitude": 38.17758396939358, "longitude": -119.90646170977695 } } }, "record_id": "claim-emigrant-geometry-lake-valley-pine-valley", "record_type": "claim" }, { "record": { "claim_id": "claim-emigrant-geometry-pine-valley-camp", "evidence_ids": [ "evidence-emigrant-geometry-pine-valley-camp" ], "predicate": "reviewed_route_display_geometry", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake", "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-segment-emigrant-crabtree-pine-valley-camp", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4326", "current_route_status": "unknown; pre-trip check required", "distance_policy": "Existing topology claims control mileage; no distance derived from these coordinates.", "end_coordinate": { "latitude": 38.16518574092221, "longitude": -119.88391532965653 }, "geometry_snapshot": { "feature_id": "usfs-emigrant-pine-valley-camp", "path": "geometry/v0/snapshots/usfs-emigrant-crabtree-routes-20261006.geojson", "sha256": "33fba5638eb580a602ba16c4bd4dada51a35c696002db839fde0612fb603285d" }, "navigation_grade": false, "route_role": "official_mainline", "source_coordinate_accuracy": "unknown", "source_feature_id": 9428086, "source_globalid": "{DD41DD87-9AAE-4FE1-B078-0427EEE709F1}", "source_trail_number": "20E16", "source_vertex_range_inclusive": [ 67, 0 ], "start_coordinate": { "latitude": 38.165350570701605, "longitude": -119.90071919040176 } } }, "record_id": "claim-emigrant-geometry-pine-valley-camp", "record_type": "claim" }, { "record": { "claim_id": "claim-emigrant-geometry-camp-bear-junction", "evidence_ids": [ "evidence-emigrant-geometry-camp-bear-junction" ], "predicate": "reviewed_route_display_geometry", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-segment-emigrant-crabtree-camp-bear-junction", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4326", "current_route_status": "unknown; pre-trip check required", "distance_policy": "Existing topology claims control mileage; no distance derived from these coordinates.", "end_coordinate": { "latitude": 38.166155721488686, "longitude": -119.87741437071607 }, "geometry_snapshot": { "feature_id": "usfs-emigrant-camp-bear-junction", "path": "geometry/v0/snapshots/usfs-emigrant-crabtree-routes-20261006.geojson", "sha256": "33fba5638eb580a602ba16c4bd4dada51a35c696002db839fde0612fb603285d" }, "navigation_grade": false, "route_role": "official_mainline", "source_coordinate_accuracy": "unknown", "source_feature_id": 9430618, "source_globalid": "{1D2CDA88-08B4-4846-B5CD-A4ECF893054B}", "source_trail_number": "20E16", "source_vertex_range_inclusive": [ 836, 806 ], "start_coordinate": { "latitude": 38.16518574092221, "longitude": -119.88391532965653 } } }, "record_id": "claim-emigrant-geometry-camp-bear-junction", "record_type": "claim" }, { "record": { "claim_id": "claim-emigrant-geometry-bear-spur", "evidence_ids": [ "evidence-emigrant-geometry-bear-spur" ], "predicate": "reviewed_route_display_geometry", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-segment-emigrant-crabtree-bear-spur", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4326", "current_route_status": "unknown; pre-trip check required", "distance_policy": "Existing topology claims control mileage; no distance derived from these coordinates.", "end_coordinate": { "latitude": 38.17439691200468, "longitude": -119.86702313700192 }, "geometry_snapshot": { "feature_id": "usfs-emigrant-bear-spur", "path": "geometry/v0/snapshots/usfs-emigrant-crabtree-routes-20261006.geojson", "sha256": "33fba5638eb580a602ba16c4bd4dada51a35c696002db839fde0612fb603285d" }, "navigation_grade": false, "route_role": "official_mainline", "source_coordinate_accuracy": "unknown", "source_feature_id": 9430557, "source_globalid": "{8497BEEB-8635-4A89-8352-B24C998130DD}", "source_trail_number": "19E09", "source_vertex_range_inclusive": [ 0, 164 ], "start_coordinate": { "latitude": 38.166155721488686, "longitude": -119.87741437071607 } } }, "record_id": "claim-emigrant-geometry-bear-spur", "record_type": "claim" }, { "record": { "entity_id": "route-emigrant-crabtree-camp-lake", "kind": "route", "name": "Crabtree to Camp Lake" }, "record_id": "route-emigrant-crabtree-camp-lake", "record_type": "entity" }, { "record": { "entity_id": "route-emigrant-crabtree-bear-lake", "kind": "route", "name": "Crabtree to Bear Lake" }, "record_id": "route-emigrant-crabtree-bear-lake", "record_type": "entity" } ], "sources": [ { "locator": "https://apps.fs.usda.gov/arcx/rest/services/EDW/EDW_TrailNFSPublish_01/MapServer/0", "publisher": "USDA Forest Service", "source_id": "source-usfs-emigrant-nfs-trail-geometry" } ] }, { "claims": [ { "claim": { "claim_id": "claim-emigrant-crabtree-bear-favorite-hikes", "evidence_ids": [ "evidence-emigrant-crabtree-bear-favorite-hikes" ], "predicate": "published_approach_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-emigrant-crabtree-bear-lake", "temporal_scope": null, "value": { "endpoint_precision": "lake destination; exact point unspecified", "reported_one_way_miles": 4, "source_edition": "2018-11", "status": "conflicting reports; not a resolved route total" } }, "evidence": [ { "claim_id": "claim-emigrant-crabtree-bear-favorite-hikes", "evidence_id": "evidence-emigrant-crabtree-bear-favorite-hikes", "notes": "", "observation_id": "observation-emigrant-crabtree-bear-favorite-hikes", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "2018-11, ROG 16-41 Day Hikes, page 2: Bear Lake 4 miles from Crabtree. Endpoint precision is not specified; editions disagree.", "observation_id": "observation-emigrant-crabtree-bear-favorite-hikes", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-favorite-hikes" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/r05/stanislaus/publication/Favorite%20Hiking%20Trails.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-favorite-hikes" } ] }, { "claim": { "claim_id": "claim-emigrant-crabtree-bear-mileage-table", "evidence_ids": [ "evidence-emigrant-crabtree-bear-mileage-table" ], "predicate": "published_approach_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-emigrant-crabtree-bear-lake", "temporal_scope": null, "value": { "endpoint_precision": "lake destination; exact point unspecified", "reported_one_way_miles": 3.9, "source_edition": "2012-06", "status": "conflicting reports; not a resolved route total" } }, "evidence": [ { "claim_id": "claim-emigrant-crabtree-bear-mileage-table", "evidence_id": "evidence-emigrant-crabtree-bear-mileage-table", "notes": "", "observation_id": "observation-emigrant-crabtree-bear-mileage-table", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "2012-06, ROG 16-27 Crabtree column, page 1: Bear Lake 3.9 miles from Crabtree. Endpoint precision is not specified; editions disagree.", "observation_id": "observation-emigrant-crabtree-bear-mileage-table", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-mileage-table" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Trail%20Mileages%20-%20Emigrant%202012.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-mileage-table" } ] } ], "entities": [ { "entity_id": "route-emigrant-crabtree-bear-lake", "kind": "route", "name": "Crabtree to Bear Lake" } ], "history": [ { "action": "ADD", "change_set_id": "wp-20261005-emigrant-crabtree-lakes", "evidence_refs": [], "knowledge_gap_refs": [ "gap-emigrant-crabtree-bear-mileage" ], "path": "canonical/v0/gaps/gap-emigrant-crabtree-bear-mileage.json", "reason": "Add bounded Crabtree lake approaches while preserving map precision and unresolved coverage.", "record_id": "gap-emigrant-crabtree-bear-mileage", "record_type": "gap", "summary": "Model shared Crabtree approaches to Camp and Bear lakes with conflicting mileage reports and lake camping rechecks." } ], "navigation": { "next_id": "gap-emigrant-crabtree-camp-mileage", "position": 169, "previous_id": "gap-emigrant-completion-yose-continuity", "total": 299 }, "observations": [ { "artifact_refs": [], "content": "2018-11, ROG 16-41 Day Hikes, page 2: Bear Lake 4 miles from Crabtree. Endpoint precision is not specified; editions disagree.", "observation_id": "observation-emigrant-crabtree-bear-favorite-hikes", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-favorite-hikes" }, { "artifact_refs": [], "content": "2012-06, ROG 16-27 Crabtree column, page 1: Bear Lake 3.9 miles from Crabtree. Endpoint precision is not specified; editions disagree.", "observation_id": "observation-emigrant-crabtree-bear-mileage-table", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-mileage-table" } ], "record": { "gap_id": "gap-emigrant-crabtree-bear-mileage", "question": "What one-way distance should be planned from Crabtree to Bear Lake?", "reason": "Official editions give different destination mileages. Preserve each report; neither supplies all atomic leg distances. No subtraction or schematic measurement supplies missing legs. Confirm the intended lake endpoint and current route with the Forest Service.", "related_ids": [ "route-emigrant-crabtree-bear-lake", "claim-emigrant-crabtree-bear-mileage-table", "claim-emigrant-crabtree-bear-favorite-hikes" ] }, "record_type": "gap", "related_records": [ { "record": { "entity_id": "route-emigrant-crabtree-bear-lake", "kind": "route", "name": "Crabtree to Bear Lake" }, "record_id": "route-emigrant-crabtree-bear-lake", "record_type": "entity" }, { "record": { "claim_id": "claim-emigrant-crabtree-bear-mileage-table", "evidence_ids": [ "evidence-emigrant-crabtree-bear-mileage-table" ], "predicate": "published_approach_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-emigrant-crabtree-bear-lake", "temporal_scope": null, "value": { "endpoint_precision": "lake destination; exact point unspecified", "reported_one_way_miles": 3.9, "source_edition": "2012-06", "status": "conflicting reports; not a resolved route total" } }, "record_id": "claim-emigrant-crabtree-bear-mileage-table", "record_type": "claim" }, { "record": { "claim_id": "claim-emigrant-crabtree-bear-favorite-hikes", "evidence_ids": [ "evidence-emigrant-crabtree-bear-favorite-hikes" ], "predicate": "published_approach_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-emigrant-crabtree-bear-lake", "temporal_scope": null, "value": { "endpoint_precision": "lake destination; exact point unspecified", "reported_one_way_miles": 4, "source_edition": "2018-11", "status": "conflicting reports; not a resolved route total" } }, "record_id": "claim-emigrant-crabtree-bear-favorite-hikes", "record_type": "claim" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/r05/stanislaus/publication/Favorite%20Hiking%20Trails.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-favorite-hikes" }, { "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Trail%20Mileages%20-%20Emigrant%202012.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-mileage-table" } ] }, { "claims": [ { "claim": { "claim_id": "claim-emigrant-crabtree-bear-conditions", "evidence_ids": [ "evidence-emigrant-crabtree-bear-conditions" ], "predicate": "pretrip_current_conditions_recheck", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-emigrant-crabtree-bear-lake", "temporal_scope": null, "value": { "current_status": "unknown", "required": true, "topics": [ "access road", "trail and crossings", "snow", "water", "fire and closures" ] } }, "evidence": [ { "claim_id": "claim-emigrant-crabtree-bear-conditions", "evidence_id": "evidence-emigrant-crabtree-bear-conditions", "notes": "", "observation_id": "observation-emigrant-crabtree-bear-conditions", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Forest alert index requires current order/map review. Historical mapped connections and hiking descriptions do not establish present road, trail, snow, crossing or water conditions.", "observation_id": "observation-emigrant-crabtree-bear-conditions", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-alerts" } ], "sources": [ { "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-alerts" } ] }, { "claim": { "claim_id": "claim-emigrant-crabtree-bear-profile", "evidence_ids": [ "evidence-emigrant-crabtree-bear-profile" ], "predicate": "route_description", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-emigrant-crabtree-bear-lake", "temporal_scope": null, "value": { "current_conditions": "unknown", "directionality": "bidirectional mapped trail", "entry_id": "trailhead-emigrant-crabtree", "name_status": "Wayproof descriptive approach", "objective_id": "waterbody-emigrant-bear-lake", "source_edition": "2018-11" } }, "evidence": [ { "claim_id": "claim-emigrant-crabtree-bear-profile", "evidence_id": "evidence-emigrant-crabtree-bear-profile", "notes": "", "observation_id": "observation-emigrant-crabtree-bear-profile", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Favorite Hiking Trails, ROG 16-41, November 2018, page 2 Day Hikes (mileages one way): Bear Lake starts from Crabtree; Bear Lake continues past Camp Lake. Route names used here are descriptive, not asserted official trail names.", "observation_id": "observation-emigrant-crabtree-bear-profile", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-favorite-hikes" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/r05/stanislaus/publication/Favorite%20Hiking%20Trails.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-favorite-hikes" } ] }, { "claim": { "claim_id": "claim-emigrant-crabtree-camp-conditions", "evidence_ids": [ "evidence-emigrant-crabtree-camp-conditions" ], "predicate": "pretrip_current_conditions_recheck", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake" ], "subject_id": "route-emigrant-crabtree-camp-lake", "temporal_scope": null, "value": { "current_status": "unknown", "required": true, "topics": [ "access road", "trail and crossings", "snow", "water", "fire and closures" ] } }, "evidence": [ { "claim_id": "claim-emigrant-crabtree-camp-conditions", "evidence_id": "evidence-emigrant-crabtree-camp-conditions", "notes": "", "observation_id": "observation-emigrant-crabtree-camp-conditions", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Forest alert index requires current order/map review. Historical mapped connections and hiking descriptions do not establish present road, trail, snow, crossing or water conditions.", "observation_id": "observation-emigrant-crabtree-camp-conditions", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-alerts" } ], "sources": [ { "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-alerts" } ] }, { "claim": { "claim_id": "claim-emigrant-crabtree-camp-profile", "evidence_ids": [ "evidence-emigrant-crabtree-camp-profile" ], "predicate": "route_description", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake" ], "subject_id": "route-emigrant-crabtree-camp-lake", "temporal_scope": null, "value": { "current_conditions": "unknown", "directionality": "bidirectional mapped trail", "entry_id": "trailhead-emigrant-crabtree", "name_status": "Wayproof descriptive approach", "objective_id": "waterbody-emigrant-camp-lake", "source_edition": "2018-11" } }, "evidence": [ { "claim_id": "claim-emigrant-crabtree-camp-profile", "evidence_id": "evidence-emigrant-crabtree-camp-profile", "notes": "", "observation_id": "observation-emigrant-crabtree-camp-profile", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Favorite Hiking Trails, ROG 16-41, November 2018, page 2 Day Hikes (mileages one way): Camp Lake starts from Crabtree; Bear Lake continues past Camp Lake. Route names used here are descriptive, not asserted official trail names.", "observation_id": "observation-emigrant-crabtree-camp-profile", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-favorite-hikes" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/r05/stanislaus/publication/Favorite%20Hiking%20Trails.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-favorite-hikes" } ] } ], "entities": [ { "entity_id": "route-emigrant-crabtree-bear-lake", "kind": "route", "name": "Crabtree to Bear Lake" }, { "entity_id": "route-emigrant-crabtree-camp-lake", "kind": "route", "name": "Crabtree to Camp Lake" } ], "history": [ { "action": "ADD", "change_set_id": "wp-20261005-emigrant-crabtree-lakes", "evidence_refs": [], "knowledge_gap_refs": [ "gap-emigrant-crabtree-planning-limits" ], "path": "canonical/v0/gaps/gap-emigrant-crabtree-planning-limits.json", "reason": "Add bounded Crabtree lake approaches while preserving map precision and unresolved coverage.", "record_id": "gap-emigrant-crabtree-planning-limits", "record_type": "gap", "summary": "Model shared Crabtree approaches to Camp and Bear lakes with conflicting mileage reports and lake camping rechecks." }, { "action": "REPLACE", "change_set_id": "wp-20261006-emigrant-western-coverage", "evidence_refs": [], "knowledge_gap_refs": [ "gap-emigrant-crabtree-planning-limits" ], "path": "canonical/v0/gaps/gap-emigrant-crabtree-planning-limits.json", "reason": "Add bounded western approach, geometry and facility evidence; retain unresolved planning limits.", "record_id": "gap-emigrant-crabtree-planning-limits", "record_type": "gap", "summary": "Add six drawable western Emigrant approaches with shared physical segments, lake camping evidence and historical trailhead facilities." } ], "navigation": { "next_id": "gap-emigrant-cross-boundary-permits", "position": 173, "previous_id": "gap-emigrant-crabtree-junction-mileage", "total": 299 }, "observations": [ { "artifact_refs": [], "content": "Forest alert index requires current order/map review. Historical mapped connections and hiking descriptions do not establish present road, trail, snow, crossing or water conditions.", "observation_id": "observation-emigrant-crabtree-bear-conditions", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-alerts" }, { "artifact_refs": [], "content": "Favorite Hiking Trails, ROG 16-41, November 2018, page 2 Day Hikes (mileages one way): Bear Lake starts from Crabtree; Bear Lake continues past Camp Lake. Route names used here are descriptive, not asserted official trail names.", "observation_id": "observation-emigrant-crabtree-bear-profile", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-favorite-hikes" }, { "artifact_refs": [], "content": "Forest alert index requires current order/map review. Historical mapped connections and hiking descriptions do not establish present road, trail, snow, crossing or water conditions.", "observation_id": "observation-emigrant-crabtree-camp-conditions", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-alerts" }, { "artifact_refs": [], "content": "Favorite Hiking Trails, ROG 16-41, November 2018, page 2 Day Hikes (mileages one way): Camp Lake starts from Crabtree; Bear Lake continues past Camp Lake. Route names used here are descriptive, not asserted official trail names.", "observation_id": "observation-emigrant-crabtree-camp-profile", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-favorite-hikes" } ], "record": { "gap_id": "gap-emigrant-crabtree-planning-limits", "question": "Does this graph establish a complete lake camping itinerary?", "reason": "Camp/Bear remain bounded Crabtree approaches requiring an exit itinerary. Separate western routes now represent Lake Valley, Pine Valley and the eastward Gem continuation; their existence does not add those segments to the Camp/Bear routes. Shoreline circulation, individual campsites, current water and restroom availability remain unresolved. Historical maps are not current clearance.", "related_ids": [ "claim-emigrant-crabtree-camp-profile", "claim-emigrant-crabtree-bear-profile", "claim-emigrant-crabtree-camp-conditions", "claim-emigrant-crabtree-bear-conditions" ] }, "record_type": "gap", "related_records": [ { "record": { "claim_id": "claim-emigrant-crabtree-camp-profile", "evidence_ids": [ "evidence-emigrant-crabtree-camp-profile" ], "predicate": "route_description", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake" ], "subject_id": "route-emigrant-crabtree-camp-lake", "temporal_scope": null, "value": { "current_conditions": "unknown", "directionality": "bidirectional mapped trail", "entry_id": "trailhead-emigrant-crabtree", "name_status": "Wayproof descriptive approach", "objective_id": "waterbody-emigrant-camp-lake", "source_edition": "2018-11" } }, "record_id": "claim-emigrant-crabtree-camp-profile", "record_type": "claim" }, { "record": { "claim_id": "claim-emigrant-crabtree-bear-profile", "evidence_ids": [ "evidence-emigrant-crabtree-bear-profile" ], "predicate": "route_description", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-emigrant-crabtree-bear-lake", "temporal_scope": null, "value": { "current_conditions": "unknown", "directionality": "bidirectional mapped trail", "entry_id": "trailhead-emigrant-crabtree", "name_status": "Wayproof descriptive approach", "objective_id": "waterbody-emigrant-bear-lake", "source_edition": "2018-11" } }, "record_id": "claim-emigrant-crabtree-bear-profile", "record_type": "claim" }, { "record": { "claim_id": "claim-emigrant-crabtree-camp-conditions", "evidence_ids": [ "evidence-emigrant-crabtree-camp-conditions" ], "predicate": "pretrip_current_conditions_recheck", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake" ], "subject_id": "route-emigrant-crabtree-camp-lake", "temporal_scope": null, "value": { "current_status": "unknown", "required": true, "topics": [ "access road", "trail and crossings", "snow", "water", "fire and closures" ] } }, "record_id": "claim-emigrant-crabtree-camp-conditions", "record_type": "claim" }, { "record": { "claim_id": "claim-emigrant-crabtree-bear-conditions", "evidence_ids": [ "evidence-emigrant-crabtree-bear-conditions" ], "predicate": "pretrip_current_conditions_recheck", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-emigrant-crabtree-bear-lake", "temporal_scope": null, "value": { "current_status": "unknown", "required": true, "topics": [ "access road", "trail and crossings", "snow", "water", "fire and closures" ] } }, "record_id": "claim-emigrant-crabtree-bear-conditions", "record_type": "claim" } ], "sources": [ { "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-alerts" }, { "locator": "https://www.fs.usda.gov/sites/nfs/files/r05/stanislaus/publication/Favorite%20Hiking%20Trails.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-favorite-hikes" } ] }, { "claims": [ { "claim": { "claim_id": "claim-emigrant-crabtree-legacy-schematic", "evidence_ids": [ "evidence-emigrant-crabtree-legacy-schematic" ], "predicate": "published_schematic_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake", "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-node-emigrant-pine-valley-junction", "temporal_scope": null, "value": { "camp_bear_branch_miles": 1.0, "crabtree_to_south_junction_miles": 1.3, "endpoint_alignment": "coarse; unresolved", "not_atomic_distance": true, "source_edition": "unknown", "south_junction_toward_camp_miles": 1.3 } }, "evidence": [ { "claim_id": "claim-emigrant-crabtree-legacy-schematic", "evidence_id": "evidence-emigrant-crabtree-legacy-schematic", "notes": "", "observation_id": "observation-emigrant-crabtree-legacy-schematic", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Undated Emigrant Wilderness Trail Distances GIF, western panel: Crabtree to an unlabeled south junction is labeled 1.3; the eastward link from that junction toward Camp Lake is also labeled 1.3; Camp/Bear branch 1.0. This coarse schematic omits the Lake Valley junction near Crabtree and does not distinguish the Camp Lake approach from the east-side Bear junction.", "observation_id": "observation-emigrant-crabtree-legacy-schematic", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-trail-map" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/r05/stanislaus/image/emigrant-wilderness-trail-map.gif", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-trail-map" } ] }, { "claim": { "claim_id": "claim-emigrant-crabtree-pine-valley-junction-milepoint", "evidence_ids": [ "evidence-emigrant-crabtree-pine-valley-junction-milepoint" ], "predicate": "published_milepoint", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake", "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-node-emigrant-pine-valley-junction", "temporal_scope": null, "value": { "cumulative_miles_from_crabtree": 1.4, "source_edition": "2012-06" } }, "evidence": [ { "claim_id": "claim-emigrant-crabtree-pine-valley-junction-milepoint", "evidence_id": "evidence-emigrant-crabtree-pine-valley-junction-milepoint", "notes": "", "observation_id": "observation-emigrant-crabtree-pine-valley-junction-milepoint", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "ROG 16-27 June 2012 page 1, Crabtree column: Pine Valley Trail 1.4 miles. This is a destination milepoint, not an atomic segment distance.", "observation_id": "observation-emigrant-crabtree-pine-valley-junction-milepoint", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-mileage-table" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Trail%20Mileages%20-%20Emigrant%202012.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-mileage-table" } ] }, { "claim": { "claim_id": "claim-emigrant-crabtree-schematic-crabtree-junction", "evidence_ids": [ "evidence-emigrant-crabtree-schematic-crabtree-junction" ], "predicate": "published_schematic_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake", "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-node-emigrant-pine-valley-junction", "temporal_scope": null, "value": { "endpoint": "first drawn south-side junction; Pine Valley connection on overview", "not_atomic_distance": true, "omitted_branch": "Lake Valley", "qualifier": "estimate", "reported_miles": 1.3 } }, "evidence": [ { "claim_id": "claim-emigrant-crabtree-schematic-crabtree-junction", "evidence_id": "evidence-emigrant-crabtree-schematic-crabtree-junction", "notes": "", "observation_id": "observation-emigrant-crabtree-schematic-crabtree-junction", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Emigrant Trail Mileage Diagram (2021 filename), western panel: Crabtree to the first drawn south-side junction is labeled 1.3. Lake Valley branch is omitted. Diagram calls mileages estimates, straightens trail segments and disclaims navigation/scale.", "observation_id": "observation-emigrant-crabtree-schematic-crabtree-junction", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-mileage-diagram" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Emigrant%20Trail%20Mileage%20Diagram%202021.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-mileage-diagram" } ] } ], "entities": [ { "entity_id": "route-node-emigrant-pine-valley-junction", "kind": "route_node", "name": "Pine Valley Trail junction on Camp Lake approach" } ], "history": [ { "action": "ADD", "change_set_id": "wp-20261005-emigrant-crabtree-lakes", "evidence_refs": [], "knowledge_gap_refs": [ "gap-emigrant-crabtree-junction-mileage" ], "path": "canonical/v0/gaps/gap-emigrant-crabtree-junction-mileage.json", "reason": "Add bounded Crabtree lake approaches while preserving map precision and unresolved coverage.", "record_id": "gap-emigrant-crabtree-junction-mileage", "record_type": "gap", "summary": "Model shared Crabtree approaches to Camp and Bear lakes with conflicting mileage reports and lake camping rechecks." } ], "navigation": { "next_id": "gap-emigrant-crabtree-planning-limits", "position": 172, "previous_id": "gap-emigrant-crabtree-geometry-limitations", "total": 299 }, "observations": [ { "artifact_refs": [], "content": "Undated Emigrant Wilderness Trail Distances GIF, western panel: Crabtree to an unlabeled south junction is labeled 1.3; the eastward link from that junction toward Camp Lake is also labeled 1.3; Camp/Bear branch 1.0. This coarse schematic omits the Lake Valley junction near Crabtree and does not distinguish the Camp Lake approach from the east-side Bear junction.", "observation_id": "observation-emigrant-crabtree-legacy-schematic", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-trail-map" }, { "artifact_refs": [], "content": "ROG 16-27 June 2012 page 1, Crabtree column: Pine Valley Trail 1.4 miles. This is a destination milepoint, not an atomic segment distance.", "observation_id": "observation-emigrant-crabtree-pine-valley-junction-milepoint", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-mileage-table" }, { "artifact_refs": [], "content": "Emigrant Trail Mileage Diagram (2021 filename), western panel: Crabtree to the first drawn south-side junction is labeled 1.3. Lake Valley branch is omitted. Diagram calls mileages estimates, straightens trail segments and disclaims navigation/scale.", "observation_id": "observation-emigrant-crabtree-schematic-crabtree-junction", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-mileage-diagram" } ], "record": { "gap_id": "gap-emigrant-crabtree-junction-mileage", "question": "Which schematic endpoints match the detailed mapped junctions?", "reason": "The 2012 Pine Valley milepoint is 1.4; schematics print 1.3 to the south junction and omit the near-trailhead Lake Valley branch. The undated GIF prints another 1.3 toward Camp where the 2021 diagram leaves the link unlabeled. Endpoint alignment and edition differences remain unresolved; these labels are not assigned to atomic legs.", "related_ids": [ "claim-emigrant-crabtree-pine-valley-junction-milepoint", "claim-emigrant-crabtree-schematic-crabtree-junction", "claim-emigrant-crabtree-legacy-schematic" ] }, "record_type": "gap", "related_records": [ { "record": { "claim_id": "claim-emigrant-crabtree-pine-valley-junction-milepoint", "evidence_ids": [ "evidence-emigrant-crabtree-pine-valley-junction-milepoint" ], "predicate": "published_milepoint", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake", "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-node-emigrant-pine-valley-junction", "temporal_scope": null, "value": { "cumulative_miles_from_crabtree": 1.4, "source_edition": "2012-06" } }, "record_id": "claim-emigrant-crabtree-pine-valley-junction-milepoint", "record_type": "claim" }, { "record": { "claim_id": "claim-emigrant-crabtree-schematic-crabtree-junction", "evidence_ids": [ "evidence-emigrant-crabtree-schematic-crabtree-junction" ], "predicate": "published_schematic_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake", "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-node-emigrant-pine-valley-junction", "temporal_scope": null, "value": { "endpoint": "first drawn south-side junction; Pine Valley connection on overview", "not_atomic_distance": true, "omitted_branch": "Lake Valley", "qualifier": "estimate", "reported_miles": 1.3 } }, "record_id": "claim-emigrant-crabtree-schematic-crabtree-junction", "record_type": "claim" }, { "record": { "claim_id": "claim-emigrant-crabtree-legacy-schematic", "evidence_ids": [ "evidence-emigrant-crabtree-legacy-schematic" ], "predicate": "published_schematic_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-camp-lake", "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-node-emigrant-pine-valley-junction", "temporal_scope": null, "value": { "camp_bear_branch_miles": 1.0, "crabtree_to_south_junction_miles": 1.3, "endpoint_alignment": "coarse; unresolved", "not_atomic_distance": true, "source_edition": "unknown", "south_junction_toward_camp_miles": 1.3 } }, "record_id": "claim-emigrant-crabtree-legacy-schematic", "record_type": "claim" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Emigrant%20Trail%20Mileage%20Diagram%202021.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-mileage-diagram" }, { "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Trail%20Mileages%20-%20Emigrant%202012.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-mileage-table" }, { "locator": "https://www.fs.usda.gov/sites/nfs/files/r05/stanislaus/image/emigrant-wilderness-trail-map.gif", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-trail-map" } ] } ], "history": [ { "action": "ADD", "change_set_id": "wp-20261005-emigrant-crabtree-lakes", "evidence_refs": [], "knowledge_gap_refs": [], "path": "canonical/v0/entities/route-emigrant-crabtree-bear-lake.json", "reason": "Add bounded Crabtree lake approaches while preserving map precision and unresolved coverage.", "record_id": "route-emigrant-crabtree-bear-lake", "record_type": "entity", "summary": "Model shared Crabtree approaches to Camp and Bear lakes with conflicting mileage reports and lake camping rechecks." }, { "action": "ADD", "change_set_id": "wp-20261005-emigrant-crabtree-lakes", "evidence_refs": [ "evidence-emigrant-crabtree-bear-conditions" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-crabtree-bear-conditions.json", "reason": "Add bounded Crabtree lake approaches while preserving map precision and unresolved coverage.", "record_id": "claim-emigrant-crabtree-bear-conditions", "record_type": "claim", "summary": "Model shared Crabtree approaches to Camp and Bear lakes with conflicting mileage reports and lake camping rechecks." }, { "action": "ADD", "change_set_id": "wp-20261005-emigrant-crabtree-lakes", "evidence_refs": [ "evidence-emigrant-crabtree-bear-favorite-hikes" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-crabtree-bear-favorite-hikes.json", "reason": "Add bounded Crabtree lake approaches while preserving map precision and unresolved coverage.", "record_id": "claim-emigrant-crabtree-bear-favorite-hikes", "record_type": "claim", "summary": "Model shared Crabtree approaches to Camp and Bear lakes with conflicting mileage reports and lake camping rechecks." }, { "action": "ADD", "change_set_id": "wp-20261005-emigrant-crabtree-lakes", "evidence_refs": [ "evidence-emigrant-crabtree-bear-mileage-table" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-crabtree-bear-mileage-table.json", "reason": "Add bounded Crabtree lake approaches while preserving map precision and unresolved coverage.", "record_id": "claim-emigrant-crabtree-bear-mileage-table", "record_type": "claim", "summary": "Model shared Crabtree approaches to Camp and Bear lakes with conflicting mileage reports and lake camping rechecks." }, { "action": "ADD", "change_set_id": "wp-20261005-emigrant-crabtree-lakes", "evidence_refs": [ "evidence-emigrant-crabtree-lake-valley-junction-milepoint" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-crabtree-lake-valley-junction-milepoint.json", "reason": "Add bounded Crabtree lake approaches while preserving map precision and unresolved coverage.", "record_id": "claim-emigrant-crabtree-lake-valley-junction-milepoint", "record_type": "claim", "summary": "Model shared Crabtree approaches to Camp and Bear lakes with conflicting mileage reports and lake camping rechecks." }, { "action": "ADD", "change_set_id": "wp-20261005-emigrant-crabtree-lakes", "evidence_refs": [ "evidence-emigrant-crabtree-pine-valley-junction-milepoint" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-crabtree-pine-valley-junction-milepoint.json", "reason": "Add bounded Crabtree lake approaches while preserving map precision and unresolved coverage.", "record_id": "claim-emigrant-crabtree-pine-valley-junction-milepoint", "record_type": "claim", "summary": "Model shared Crabtree approaches to Camp and Bear lakes with conflicting mileage reports and lake camping rechecks." }, { "action": "ADD", "change_set_id": "wp-20261005-emigrant-crabtree-lakes", "evidence_refs": [ "evidence-emigrant-crabtree-legacy-schematic" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-crabtree-legacy-schematic.json", "reason": "Add bounded Crabtree lake approaches while preserving map precision and unresolved coverage.", "record_id": "claim-emigrant-crabtree-legacy-schematic", "record_type": "claim", "summary": "Model shared Crabtree approaches to Camp and Bear lakes with conflicting mileage reports and lake camping rechecks." }, { "action": "ADD", "change_set_id": "wp-20261005-emigrant-crabtree-lakes", "evidence_refs": [ "evidence-emigrant-crabtree-schematic-crabtree-junction" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-crabtree-schematic-crabtree-junction.json", "reason": "Add bounded Crabtree lake approaches while preserving map precision and unresolved coverage.", "record_id": "claim-emigrant-crabtree-schematic-crabtree-junction", "record_type": "claim", "summary": "Model shared Crabtree approaches to Camp and Bear lakes with conflicting mileage reports and lake camping rechecks." }, { "action": "ADD", "change_set_id": "wp-20261006-emigrant-crabtree-geometry", "evidence_refs": [ "evidence-emigrant-geometry-bear-spur" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-geometry-bear-spur.json", "reason": "Attach reviewed federal display geometry without changing graph or mileage.", "record_id": "claim-emigrant-geometry-bear-spur", "record_type": "claim", "summary": "Make the existing Crabtree lake approaches geographically drawable with reviewed USFS vertices and explicit display limits." }, { "action": "ADD", "change_set_id": "wp-20261006-emigrant-crabtree-geometry", "evidence_refs": [ "evidence-emigrant-geometry-camp-bear-junction" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-geometry-camp-bear-junction.json", "reason": "Attach reviewed federal display geometry without changing graph or mileage.", "record_id": "claim-emigrant-geometry-camp-bear-junction", "record_type": "claim", "summary": "Make the existing Crabtree lake approaches geographically drawable with reviewed USFS vertices and explicit display limits." }, { "action": "ADD", "change_set_id": "wp-20261006-emigrant-crabtree-geometry", "evidence_refs": [ "evidence-emigrant-geometry-lake-valley-pine-valley" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-geometry-lake-valley-pine-valley.json", "reason": "Attach reviewed federal display geometry without changing graph or mileage.", "record_id": "claim-emigrant-geometry-lake-valley-pine-valley", "record_type": "claim", "summary": "Make the existing Crabtree lake approaches geographically drawable with reviewed USFS vertices and explicit display limits." }, { "action": "ADD", "change_set_id": "wp-20261006-emigrant-crabtree-geometry", "evidence_refs": [ "evidence-emigrant-geometry-pine-valley-camp" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-geometry-pine-valley-camp.json", "reason": "Attach reviewed federal display geometry without changing graph or mileage.", "record_id": "claim-emigrant-geometry-pine-valley-camp", "record_type": "claim", "summary": "Make the existing Crabtree lake approaches geographically drawable with reviewed USFS vertices and explicit display limits." }, { "action": "ADD", "change_set_id": "wp-20261006-emigrant-crabtree-geometry", "evidence_refs": [ "evidence-emigrant-geometry-start-lake-valley" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-geometry-start-lake-valley.json", "reason": "Attach reviewed federal display geometry without changing graph or mileage.", "record_id": "claim-emigrant-geometry-start-lake-valley", "record_type": "claim", "summary": "Make the existing Crabtree lake approaches geographically drawable with reviewed USFS vertices and explicit display limits." }, { "action": "ADD", "change_set_id": "wp-20261005-emigrant-crabtree-lakes", "evidence_refs": [ "evidence-emigrant-crabtree-bear-profile" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-crabtree-bear-profile.json", "reason": "Add bounded Crabtree lake approaches while preserving map precision and unresolved coverage.", "record_id": "claim-emigrant-crabtree-bear-profile", "record_type": "claim", "summary": "Model shared Crabtree approaches to Camp and Bear lakes with conflicting mileage reports and lake camping rechecks." } ], "journey": [ { "claims": [ { "claim": { "claim_id": "claim-emigrant-crabtree-bear-conditions", "evidence_ids": [ "evidence-emigrant-crabtree-bear-conditions" ], "predicate": "pretrip_current_conditions_recheck", "spatial_scope_ids": [ "scope-route-emigrant-crabtree-bear-lake" ], "subject_id": "route-emigrant-crabtree-bear-lake", "temporal_scope": null, "value": { "current_status": "unknown", "required": true, "topics": [ "access road", "trail and crossings", "snow", "water", "fire and closures" ] } }, "evidence": [ { "claim_id": "claim-emigrant-crabtree-bear-conditions", "evidence_id": "evidence-emigrant-crabtree-bear-conditions", "notes": "", "observation_id": "observation-emigrant-crabtree-bear-conditions", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Forest alert index requires current order/map review. Historical mapped connections and hiking descriptions do not establish present road, trail, snow, crossing or water conditions.", "observation_id": "observation-emigrant-crabtree-bear-conditions", "observed_at": null, "observer": "Wayproof primary-source text and visual map review", "retrieved_at": "2026-10-05T22:52:54+00:00", "source_id": "source-usfs-emigrant-alerts" } ], "sources": [ { "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-alerts" } ], "subject": { "entity_id": "route-emigrant-crabtree-bear-lake", "kind": "route", "name": "Crabtree to Bear Lake" } } ], "entity": { "entity_id": "route-emigrant-crabtree-bear-lake", "kind": "route", "name": "Crabtree to Bear Lake" }, "gaps": [ { "gap_id": "gap-emigrant-crabtree-planning-limits", "question": "Does this graph establish a complete lake camping itinerary?", "reason": "Camp/Bear remain bounded Crabtree approaches requiring an exit itinerary. Separate western routes now represent Lake Valley, Pine Valley and the eastward Gem continuation; their existence does not add those segments to the Camp/Bear routes. Shoreline circulation, individual campsites, current water and restroom availability remain unresolved. Historical maps are not current clearance.", "related_ids": [ "claim-emigrant-crabtree-camp-profile", "claim-emigrant-crabtree-bear-profile", "claim-emigrant-crabtree-camp-conditions", "claim-emigrant-crabtree-bear-conditions" ] } ], "relationships": [], "role": "Selected place" }, { "claims": [ { "claim": { "claim_id": "claim-emigrant-approach-recheck-crabtree", "evidence_ids": [ "evidence-emigrant-approach-recheck-crabtree" ], "predicate": "pretrip_current_conditions_recheck", "spatial_scope_ids": [ "scope-emigrant-crabtree" ], "subject_id": "trailhead-emigrant-crabtree", "temporal_scope": null, "value": { "required": true, "status": "unknown", "topics": [ "road and trail status", "fire restrictions", "parking and facility availability" ] } }, "evidence": [ { "claim_id": "claim-emigrant-approach-recheck-crabtree", "evidence_id": "evidence-emigrant-approach-recheck-crabtree", "notes": "", "observation_id": "observation-emigrant-approach-recheck-crabtree", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "The forest alert index contains dynamic road and fire orders. Current applicability to Crabtree Trailhead needs individual order and map review; its named access relationship is not an open-status observation.", "observation_id": "observation-emigrant-approach-recheck-crabtree", "observed_at": null, "observer": "Wayproof primary-source review", "retrieved_at": "2026-10-05T22:09:18+00:00", "source_id": "source-usfs-emigrant-alerts" } ], "sources": [ { "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-alerts" } ], "subject": { "entity_id": "trailhead-emigrant-crabtree", "kind": "trailhead", "name": "Crabtree Trailhead" } } ], "entity": { "entity_id": "trailhead-emigrant-crabtree", "kind": "trailhead", "name": "Crabtree Trailhead" }, "gaps": [ { "gap_id": "gap-emigrant-current-conditions", "question": "Are the selected approach and facilities usable on the trip date?", "reason": "Current road, trail, snow, crossing, water, fire and facility status is unknown. Individual alerts and mapped closures need route-specific matching; the Site Open banner is not route-level clearance.", "related_ids": [ "wilderness-emigrant", "claim-emigrant-conditions-recheck", "claim-emigrant-alerts-recheck", "claim-emigrant-access-recheck", "claim-emigrant-approach-recheck-bell-meadow", "claim-emigrant-approach-recheck-bourland-meadow", "claim-emigrant-approach-recheck-box-springs", "claim-emigrant-approach-recheck-crabtree", "claim-emigrant-approach-recheck-coyote-meadow", "claim-emigrant-approach-recheck-eagle-meadow", "claim-emigrant-approach-recheck-gianelli", "claim-emigrant-approach-recheck-kennedy-meadows", "claim-emigrant-approach-recheck-waterhouse", "claim-emigrant-approach-recheck-sonora-pass" ] } ], "relationships": [ { "evidence_ids": [ "evidence-emigrant-crabtree-bear-profile" ], "object_id": "trailhead-emigrant-crabtree", "predicate": "starts_at", "relationship_id": "relationship-emigrant-crabtree-bear-start", "subject_id": "route-emigrant-crabtree-bear-lake", "temporal_scope": null } ], "role": "Entry" }, { "claims": [ { "claim": { "claim_id": "claim-emigrant-dogs", "evidence_ids": [ "evidence-emigrant-dogs" ], "predicate": "pet_policy", "spatial_scope_ids": [ "scope-emigrant-wilderness" ], "subject_id": "wilderness-emigrant", "temporal_scope": null, "value": { "county_leash_ordinance": "Tuolumne County; verify details", "direct_control_required": true } }, "evidence": [ { "claim_id": "claim-emigrant-dogs", "evidence_id": "evidence-emigrant-dogs", "notes": "", "observation_id": "observation-emigrant-dogs", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Pet Information: dogs must be under direct control and Tuolumne County has a leash ordinance.", "observation_id": "observation-emigrant-dogs", "observed_at": null, "observer": "Wayproof primary-source review", "retrieved_at": "2026-10-05T22:09:18+00:00", "source_id": "source-usfs-emigrant-access" } ], "sources": [ { "locator": "https://www.fs.usda.gov/r05/stanislaus/recreation/emigrant-wilderness-highway-108-access", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-access" } ], "subject": { "entity_id": "wilderness-emigrant", "kind": "wilderness", "name": "Emigrant Wilderness" } }, { "claim": { "claim_id": "claim-emigrant-access-recheck", "evidence_ids": [ "evidence-emigrant-access-recheck" ], "predicate": "pretrip_current_conditions_recheck", "spatial_scope_ids": [ "scope-emigrant-wilderness" ], "subject_id": "wilderness-emigrant", "temporal_scope": null, "value": { "required": true, "topics": [ "access roads", "parking", "trail conditions", "water and facilities", "issuing station operations" ] } }, "evidence": [ { "claim_id": "claim-emigrant-access-recheck", "evidence_id": "evidence-emigrant-access-recheck", "notes": "", "observation_id": "observation-emigrant-access-recheck", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Operational Hours directs visitors to check conditions and weather before travel; named access points do not establish that a road, parking space, water supply or facility will be available.", "observation_id": "observation-emigrant-access-recheck", "observed_at": null, "observer": "Wayproof primary-source review", "retrieved_at": "2026-10-05T22:09:18+00:00", "source_id": "source-usfs-emigrant-access" } ], "sources": [ { "locator": "https://www.fs.usda.gov/r05/stanislaus/recreation/emigrant-wilderness-highway-108-access", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-access" } ], "subject": { "entity_id": "wilderness-emigrant", "kind": "wilderness", "name": "Emigrant Wilderness" } }, { "claim": { "claim_id": "claim-emigrant-alerts-recheck", "evidence_ids": [ "evidence-emigrant-alerts-recheck" ], "predicate": "pretrip_current_conditions_recheck", "spatial_scope_ids": [ "scope-emigrant-wilderness" ], "subject_id": "wilderness-emigrant", "temporal_scope": null, "value": { "current_route_access": "unknown", "required": true, "topics": [ "road closures and seasonal access", "current fire orders", "occupancy rules" ] } }, "evidence": [ { "claim_id": "claim-emigrant-alerts-recheck", "evidence_id": "evidence-emigrant-alerts-recheck", "notes": "", "observation_id": "observation-emigrant-alerts-recheck", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Alerts index reviewed October 5, 2026 includes fire restrictions, occupancy limits and road closure orders, including a portion of 4N12 and Cherry access road 1N98. Exact applicability and current status require individual order/map review.", "observation_id": "observation-emigrant-alerts-recheck", "observed_at": null, "observer": "Wayproof primary-source review", "retrieved_at": "2026-10-05T22:09:18+00:00", "source_id": "source-usfs-emigrant-alerts" } ], "sources": [ { "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-alerts" } ], "subject": { "entity_id": "wilderness-emigrant", "kind": "wilderness", "name": "Emigrant Wilderness" } }, { "claim": { "claim_id": "claim-emigrant-conditions-recheck", "evidence_ids": [ "evidence-emigrant-conditions-recheck" ], "predicate": "pretrip_current_conditions_recheck", "spatial_scope_ids": [ "scope-emigrant-wilderness" ], "subject_id": "wilderness-emigrant", "temporal_scope": null, "value": { "required": true, "topics": [ "fire restrictions", "smoke", "snow", "weather and avalanche conditions" ] } }, "evidence": [ { "claim_id": "claim-emigrant-conditions-recheck", "evidence_id": "evidence-emigrant-conditions-recheck", "notes": "", "observation_id": "observation-emigrant-conditions-recheck", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Current Conditions links to current fire restrictions, fire/smoke, avalanche forecasts and regional snow depth. These are pre-trip checking sources, not an observation of open roads or safe trails.", "observation_id": "observation-emigrant-conditions-recheck", "observed_at": null, "observer": "Wayproof primary-source review", "retrieved_at": "2026-10-05T22:09:18+00:00", "source_id": "source-usfs-emigrant-conditions" } ], "sources": [ { "locator": "https://www.fs.usda.gov/r05/stanislaus/conditions", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-conditions" } ], "subject": { "entity_id": "wilderness-emigrant", "kind": "wilderness", "name": "Emigrant Wilderness" } } ], "entity": { "entity_id": "wilderness-emigrant", "kind": "wilderness", "name": "Emigrant Wilderness" }, "gaps": [ { "gap_id": "gap-emigrant-current-conditions", "question": "Are the selected approach and facilities usable on the trip date?", "reason": "Current road, trail, snow, crossing, water, fire and facility status is unknown. Individual alerts and mapped closures need route-specific matching; the Site Open banner is not route-level clearance.", "related_ids": [ "wilderness-emigrant", "claim-emigrant-conditions-recheck", "claim-emigrant-alerts-recheck", "claim-emigrant-access-recheck", "claim-emigrant-approach-recheck-bell-meadow", "claim-emigrant-approach-recheck-bourland-meadow", "claim-emigrant-approach-recheck-box-springs", "claim-emigrant-approach-recheck-crabtree", "claim-emigrant-approach-recheck-coyote-meadow", "claim-emigrant-approach-recheck-eagle-meadow", "claim-emigrant-approach-recheck-gianelli", "claim-emigrant-approach-recheck-kennedy-meadows", "claim-emigrant-approach-recheck-waterhouse", "claim-emigrant-approach-recheck-sonora-pass" ] }, { "gap_id": "gap-emigrant-route-topology", "question": "How do the selected trailheads connect to lakes, passes and each other?", "reason": "The eight western approaches from Crabtree, Gianelli, Bell Meadow and six northern approaches are joined by five bounded southern/eastern approaches: Box Springs–Chain Lakes, Bourland mapped terminus, Shingle Springs–Kibbie/Huckleberry and Leavitt Lake–PCT junction. Bourland continuation, Kennedy parking/branch geometry, southern display gaps, deeper lake/pass branches, returns and individual facility spurs remain unresolved; no wilderness-wide route completeness is claimed.", "related_ids": [ "wilderness-emigrant", "claim-emigrant-access-recheck" ] }, { "gap_id": "gap-emigrant-boundary-geometry", "question": "What boundary precision and exact jurisdiction remain unverified?", "reason": "Reviewed PAD-US designated-wilderness display geometry now matches Emigrant Wilderness, OBJECTID 237112. Survey/legal precision, current amendments and exact route-side jurisdiction remain unverified. Polygon overlap does not create access, containment or permission.", "related_ids": [ "wilderness-emigrant", "claim-emigrant-access-recheck" ] }, { "gap_id": "gap-emigrant-facility-inventory", "question": "What camps, toilets, water sources and parking are available along the approach?", "reason": "Coverage includes historical trailhead facilities, Baker/Deadman/Cherry Valley campground reports, 45 individually reviewed Cherry Valley listing pages and Kennedy cabin inventory. Conflicting water/toilet/fee reports, omitted Cherry Valley site 001, individual Baker/Deadman sites, current availability, remote camps and facility connectors remain unresolved. Inventory is not a reservation or operating guarantee.", "related_ids": [ "wilderness-emigrant", "claim-emigrant-access-recheck" ] } ], "relationships": [ { "evidence_ids": [ "evidence-emigrant-crabtree-bear-identity" ], "object_id": "wilderness-emigrant", "predicate": "traverses", "relationship_id": "relationship-emigrant-crabtree-bear-traverses", "subject_id": "route-emigrant-crabtree-bear-lake", "temporal_scope": null } ], "role": "Traversed place" } ], "knowledge_gaps": [ { "gap_id": "gap-emigrant-crabtree-geometry-limitations", "question": "What does the Crabtree route display geometry establish?", "reason": "Camp western access remains a descriptive source-feature break, not a lake centroid or campsite. Reviewed Crabtree display geometry and Emigrant PAD-US boundary are published. Source accuracy, current trail alignment and conditions remain unknown; unsnapped Lake Valley mismatch, unreviewed branches, parking/facility connectors and navigation-grade survey remain unresolved.", "related_ids": [ "claim-emigrant-geometry-start-lake-valley", "claim-emigrant-geometry-lake-valley-pine-valley", "claim-emigrant-geometry-pine-valley-camp", "claim-emigrant-geometry-camp-bear-junction", "claim-emigrant-geometry-bear-spur", "route-emigrant-crabtree-camp-lake", "route-emigrant-crabtree-bear-lake" ] }, { "gap_id": "gap-emigrant-crabtree-bear-mileage", "question": "What one-way distance should be planned from Crabtree to Bear Lake?", "reason": "Official editions give different destination mileages. Preserve each report; neither supplies all atomic leg distances. No subtraction or schematic measurement supplies missing legs. Confirm the intended lake endpoint and current route with the Forest Service.", "related_ids": [ "route-emigrant-crabtree-bear-lake", "claim-emigrant-crabtree-bear-mileage-table", "claim-emigrant-crabtree-bear-favorite-hikes" ] }, { "gap_id": "gap-emigrant-crabtree-planning-limits", "question": "Does this graph establish a complete lake camping itinerary?", "reason": "Camp/Bear remain bounded Crabtree approaches requiring an exit itinerary. Separate western routes now represent Lake Valley, Pine Valley and the eastward Gem continuation; their existence does not add those segments to the Camp/Bear routes. Shoreline circulation, individual campsites, current water and restroom availability remain unresolved. Historical maps are not current clearance.", "related_ids": [ "claim-emigrant-crabtree-camp-profile", "claim-emigrant-crabtree-bear-profile", "claim-emigrant-crabtree-camp-conditions", "claim-emigrant-crabtree-bear-conditions" ] }, { "gap_id": "gap-emigrant-crabtree-junction-mileage", "question": "Which schematic endpoints match the detailed mapped junctions?", "reason": "The 2012 Pine Valley milepoint is 1.4; schematics print 1.3 to the south junction and omit the near-trailhead Lake Valley branch. The undated GIF prints another 1.3 toward Camp where the 2021 diagram leaves the link unlabeled. Endpoint alignment and edition differences remain unresolved; these labels are not assigned to atomic legs.", "related_ids": [ "claim-emigrant-crabtree-pine-valley-junction-milepoint", "claim-emigrant-crabtree-schematic-crabtree-junction", "claim-emigrant-crabtree-legacy-schematic" ] } ], "reference_evidence": [], "relationships": [ { "evidence_ids": [ "evidence-emigrant-crabtree-bear-profile" ], "object_id": "route-emigrant-crabtree-bear-lake", "predicate": "approached_via", "relationship_id": "relationship-emigrant-crabtree-bear-approach", "subject_id": "waterbody-emigrant-bear-lake", "temporal_scope": null }, { "evidence_ids": [ "evidence-emigrant-crabtree-bear-identity" ], "object_id": "route-node-emigrant-bear-trail-end", "predicate": "ends_at", "relationship_id": "relationship-emigrant-crabtree-bear-end", "subject_id": "route-emigrant-crabtree-bear-lake", "temporal_scope": null }, { "evidence_ids": [ "evidence-emigrant-crabtree-bear-spur", "evidence-emigrant-crabtree-bear-identity" ], "object_id": "route-emigrant-crabtree-bear-lake", "predicate": "part_of", "relationship_id": "relationship-emigrant-crabtree-bear-spur-bear", "subject_id": "route-segment-emigrant-crabtree-bear-spur", "temporal_scope": null }, { "evidence_ids": [ "evidence-emigrant-crabtree-camp-bear-junction" ], "object_id": "route-emigrant-crabtree-bear-lake", "predicate": "part_of", "relationship_id": "relationship-emigrant-crabtree-camp-bear-junction-bear", "subject_id": "route-segment-emigrant-crabtree-camp-bear-junction", "temporal_scope": null }, { "evidence_ids": [ "evidence-emigrant-crabtree-lake-valley-pine-valley" ], "object_id": "route-emigrant-crabtree-bear-lake", "predicate": "part_of", "relationship_id": "relationship-emigrant-crabtree-lake-valley-pine-valley-bear", "subject_id": "route-segment-emigrant-crabtree-lake-valley-pine-valley", "temporal_scope": null }, { "evidence_ids": [ "evidence-emigrant-crabtree-pine-valley-camp", "evidence-emigrant-crabtree-camp-identity" ], "object_id": "route-emigrant-crabtree-bear-lake", "predicate": "part_of", "relationship_id": "relationship-emigrant-crabtree-pine-valley-camp-bear", "subject_id": "route-segment-emigrant-crabtree-pine-valley-camp", "temporal_scope": null }, { "evidence_ids": [ "evidence-emigrant-crabtree-start-lake-valley" ], "object_id": "route-emigrant-crabtree-bear-lake", "predicate": "part_of", "relationship_id": "relationship-emigrant-crabtree-start-lake-valley-bear", "subject_id": "route-segment-emigrant-crabtree-start-lake-valley", "temporal_scope": null }, { "evidence_ids": [ "evidence-emigrant-crabtree-bear-profile" ], "object_id": "trailhead-emigrant-crabtree", "predicate": "starts_at", "relationship_id": "relationship-emigrant-crabtree-bear-start", "subject_id": "route-emigrant-crabtree-bear-lake", "temporal_scope": null }, { "evidence_ids": [ "evidence-emigrant-crabtree-bear-identity" ], "object_id": "wilderness-emigrant", "predicate": "traverses", "relationship_id": "relationship-emigrant-crabtree-bear-traverses", "subject_id": "route-emigrant-crabtree-bear-lake", "temporal_scope": null } ], "route_geometry": { "features": [ { "geometry": { "coordinates": [ [ -119.9068410709654, 38.178658657463544 ], [ -119.906779256954, 38.17864673146698 ], [ -119.90673340194395, 38.17862445046836 ], [ -119.9066438519236, 38.17857517547048 ], [ -119.90659125790573, 38.178496242467105 ], [ -119.90648370386653, 38.17831201845829 ], [ -119.90644167684555, 38.17819216445042 ], [ -119.9063996848214, 38.17804505444011 ], [ -119.90640740580594, 38.1779038294267 ], [ -119.90643022378133, 38.17766357240317 ], [ -119.90646170977695, 38.17758396939358 ] ], "type": "LineString" }, "properties": { "distance_miles": null, "distance_status": "not_printed", "end_node_id": "route-node-emigrant-lake-valley-junction", "route_id": "route-emigrant-crabtree-bear-lake", "route_role": "official_mainline", "segment_id": "route-segment-emigrant-crabtree-start-lake-valley", "sequence": 1, "source_feature_id": "usfs-emigrant-start-lake-valley", "source_geometry_accuracy": "unknown; source coordinate digits are not an accuracy statement", "start_node_id": "trailhead-emigrant-crabtree" }, "type": "Feature" }, { "geometry": { "coordinates": [ [ -119.90646170977695, 38.17758396939358 ], [ -119.90647792377479, 38.177542979388654 ], [ -119.90645443376569, 38.177498163386275 ], [ -119.90640739373184, 38.17727620536953 ], [ -119.90633266969556, 38.17707149635638 ], [ -119.90624369066488, 38.17693397435041 ], [ -119.90612574263425, 38.17683628035023 ], [ -119.90593155659148, 38.17674104435584 ], [ -119.90570995054317, 38.17663607336256 ], [ -119.90548150049266, 38.176521920369005 ], [ -119.9052594334448, 38.17642153337617 ], [ -119.90508638740604, 38.17633135138073 ], [ -119.90493388737342, 38.17626421338583 ], [ -119.90476741234109, 38.17621928439396 ], [ -119.90471144432863, 38.176190813395486 ], [ -119.90469113432212, 38.176163271394465 ], [ -119.90471995331463, 38.176060384383014 ], [ -119.90478975931816, 38.17599468037188 ], [ -119.90484605532166, 38.17594660036335 ], [ -119.90488159431744, 38.17586197935306 ], [ -119.90493082631757, 38.175795630343394 ], [ -119.90496624631385, 38.175715507333436 ], [ -119.90503569631846, 38.17565879932318 ], [ -119.9051339303293, 38.17561632731207 ], [ -119.90516893233246, 38.17559476630754 ], [ -119.90514891430946, 38.17542752229378 ], [ -119.90506636828788, 38.17535783029351 ], [ -119.90499757026527, 38.17526134228977 ], [ -119.90499829025158, 38.17514431027907 ], [ -119.90504120724273, 38.17501022026373 ], [ -119.90510454124099, 38.17490835024976 ], [ -119.90515403023849, 38.17481951123802 ], [ -119.90517575123093, 38.1747255252279 ], [ -119.90513551720355, 38.17454873021475 ], [ -119.90505268517654, 38.17443397021035 ], [ -119.90500504215646, 38.174329133204324 ], [ -119.905006284137, 38.17416244618906 ], [ -119.90502790212832, 38.17405937317809 ], [ -119.905050018116, 38.17392481816422 ], [ -119.90511313511315, 38.173813861149455 ], [ -119.90518413711159, 38.17370318013415 ], [ -119.90523379010436, 38.17357386311868 ], [ -119.90525606608784, 38.17340323310154 ], [ -119.9052436490608, 38.1731911970831 ], [ -119.90520381402814, 38.17296942406588 ], [ -119.9052126940009, 38.17272637004307 ], [ -119.90519393996695, 38.17246458202061 ], [ -119.90514688293524, 38.1722606150055 ], [ -119.90505117889177, 38.17202386499097 ], [ -119.90491407584416, 38.17180858198145 ], [ -119.90486683181932, 38.17166317597168 ], [ -119.90488861480588, 38.17151953295701 ], [ -119.90496568480424, 38.1713999519404 ], [ -119.90509923480987, 38.1712638639182 ], [ -119.90515662879592, 38.171067174896045 ], [ -119.90515847477339, 38.17087350087827 ], [ -119.90517460174308, 38.17059464985167 ], [ -119.90523894872132, 38.17032150382206 ], [ -119.9053390446969, 38.16997732078337 ], [ -119.90545966469082, 38.1697598127547 ], [ -119.90562095769242, 38.16955231972392 ], [ -119.90576787470019, 38.1694165107007 ], [ -119.90582408869999, 38.16933694368933 ], [ -119.90585314469146, 38.169225061677004 ], [ -119.90584750967247, 38.169071772663486 ], [ -119.90587712465451, 38.16887883964374 ], [ -119.90592697863883, 38.16867746662168 ], [ -119.90595671362036, 38.1684800366015 ], [ -119.90599252761137, 38.16835484558746 ], [ -119.90604850861162, 38.16827977657651 ], [ -119.90616795861807, 38.16817030255776 ], [ -119.90631475162634, 38.16803899153504 ], [ -119.90645537763311, 38.167903086512275 ], [ -119.90658186063487, 38.1677442324885 ], [ -119.90670847963457, 38.16756738746309 ], [ -119.90681431562918, 38.1673764924379 ], [ -119.90687812662487, 38.167252042421886 ], [ -119.90689913661924, 38.16717595641344 ], [ -119.90687264860158, 38.167062681405 ], [ -119.90678919557983, 38.166992900404814 ], [ -119.90664342655096, 38.1669485294115 ], [ -119.90646343451057, 38.16685366541608 ], [ -119.90628386246335, 38.16670024141535 ], [ -119.9060489364001, 38.16648686241318 ], [ -119.90579304933811, 38.16631340741617 ], [ -119.90556429828652, 38.166190258421786 ], [ -119.90531498423101, 38.16606205542846 ], [ -119.90510030218061, 38.16593027943219 ], [ -119.9048577211272, 38.16581125743921 ], [ -119.9045873420719, 38.16571398045024 ], [ -119.90426095600843, 38.16562430546609 ], [ -119.90380993692588, 38.165544873492024 ], [ -119.9035356218747, 38.165488073506964 ], [ -119.90327852083009, 38.165463219523666 ], [ -119.90310447180185, 38.165463169536416 ], [ -119.90274936174794, 38.16549427856539 ], [ -119.9024913697117, 38.16554156558864 ], [ -119.90226878567759, 38.16555820860658 ], [ -119.90201089563708, 38.16556942062656 ], [ -119.90170511058493, 38.165547761647055 ], [ -119.90136508252343, 38.165493781667124 ], [ -119.90112184747788, 38.16544230568036 ], [ -119.9008992954358, 38.165391388692086 ], [ -119.90075345140902, 38.1653650017004 ], [ -119.90071924240179, 38.1653505807016 ], [ -119.90071919040176, 38.165350570701605 ] ], "type": "LineString" }, "properties": { "distance_miles": null, "distance_status": "not_printed", "end_node_id": "route-node-emigrant-pine-valley-junction", "route_id": "route-emigrant-crabtree-bear-lake", "route_role": "official_mainline", "segment_id": "route-segment-emigrant-crabtree-lake-valley-pine-valley", "sequence": 2, "source_feature_id": "usfs-emigrant-lake-valley-pine-valley", "source_geometry_accuracy": "unknown; source coordinate digits are not an accuracy statement", "start_node_id": "route-node-emigrant-lake-valley-junction" }, "type": "Feature" }, { "geometry": { "coordinates": [ [ -119.90071919040176, 38.165350570701605 ], [ -119.90058688437725, 38.16532456370893 ], [ -119.90031641632031, 38.16521378471876 ], [ -119.90006693026528, 38.16509007272583 ], [ -119.89971985220048, 38.165017812744736 ], [ -119.899101198095, 38.16497438778628 ], [ -119.89884422504984, 38.164945115802496 ], [ -119.89853806000087, 38.16495052682552 ], [ -119.89831524296723, 38.16497165884381 ], [ -119.8980291949311, 38.165058674872796 ], [ -119.89789019791024, 38.165073035884326 ], [ -119.89773040087854, 38.16502378789162 ], [ -119.89755002184339, 38.16497397890032 ], [ -119.89729936580142, 38.1649627899177 ], [ -119.8970422247605, 38.16496949693724 ], [ -119.89675670871704, 38.16499345096046 ], [ -119.89645757066546, 38.16496755698006 ], [ -119.89617952661574, 38.16492863699695 ], [ -119.89588831756123, 38.164866844012735 ], [ -119.8956517785163, 38.16481105802502 ], [ -119.89545774147886, 38.164760874034755 ], [ -119.89525574844653, 38.164764568049925 ], [ -119.89501216041214, 38.16480762307175 ], [ -119.8947790283741, 38.16480598008878 ], [ -119.89454941833885, 38.16482242310717 ], [ -119.89423579529124, 38.16485012313271 ], [ -119.8940897642708, 38.16487779114602 ], [ -119.89391497225677, 38.16499934716996 ], [ -119.89376739024623, 38.16511256219113 ], [ -119.89357264322517, 38.16520198621355 ], [ -119.89337747219663, 38.165228350230315 ], [ -119.89309902115215, 38.16523448925133 ], [ -119.89286238411515, 38.16524624426982 ], [ -119.89271595909418, 38.165269412282726 ], [ -119.8925701510695, 38.16526100829268 ], [ -119.89229909601943, 38.16520877030787 ], [ -119.89211914597742, 38.165100392311174 ], [ -119.89199533994208, 38.164971015308524 ], [ -119.89190542791604, 38.164874051306285 ], [ -119.89180232588252, 38.1647316483009 ], [ -119.89169841485892, 38.164674786303344 ], [ -119.89151052382574, 38.16465177631507 ], [ -119.89123233478244, 38.16466699733692 ], [ -119.8909749837404, 38.16466460435557 ], [ -119.89070378469292, 38.16463494337282 ], [ -119.89039819663442, 38.16455928238841 ], [ -119.89014926457838, 38.16442655039461 ], [ -119.88988618851786, 38.16427536440018 ], [ -119.88967064447476, 38.16420662040975 ], [ -119.8894764044363, 38.16414743141861 ], [ -119.88920497439354, 38.16415824543957 ], [ -119.88896837535867, 38.16418798545968 ], [ -119.88868246931993, 38.164252488486625 ], [ -119.8882993092698, 38.16435495252408 ], [ -119.88799251023025, 38.16444138655455 ], [ -119.88772082019008, 38.16447468557755 ], [ -119.88748434015474, 38.164499923597226 ], [ -119.8871776531109, 38.16455037162441 ], [ -119.88685018806208, 38.164586766651794 ], [ -119.88645358500177, 38.1646212966841 ], [ -119.886091246953, 38.1647062317185 ], [ -119.88580152991626, 38.16479312474773 ], [ -119.88548809287613, 38.16488395277904 ], [ -119.8852855998469, 38.164914615796754 ], [ -119.88479787278375, 38.165050253844946 ], [ -119.88444279373144, 38.165094889875164 ], [ -119.88417747069445, 38.16514635989934 ], [ -119.88391532965653, 38.16518574092221 ] ], "type": "LineString" }, "properties": { "distance_miles": null, "distance_status": "not_printed", "end_node_id": "route-node-emigrant-camp-west-approach", "route_id": "route-emigrant-crabtree-bear-lake", "route_role": "official_mainline", "segment_id": "route-segment-emigrant-crabtree-pine-valley-camp", "sequence": 3, "source_feature_id": "usfs-emigrant-pine-valley-camp", "source_geometry_accuracy": "unknown; source coordinate digits are not an accuracy statement", "start_node_id": "route-node-emigrant-pine-valley-junction" }, "type": "Feature" }, { "geometry": { "coordinates": [ [ -119.88391532965653, 38.16518574092221 ], [ -119.88387163965024, 38.16519230392605 ], [ -119.88360655861649, 38.1652708489527 ], [ -119.88339043758714, 38.165319216972954 ], [ -119.88322252256678, 38.16537779599069 ], [ -119.8830697075447, 38.165400765004 ], [ -119.88283305050398, 38.165380925019605 ], [ -119.8825623604571, 38.165355745037196 ], [ -119.8823678354228, 38.16533252604936 ], [ -119.88211776537557, 38.16527632806265 ], [ -119.881902219333, 38.16521206807265 ], [ -119.8817286972995, 38.16516692008126 ], [ -119.88158294127113, 38.16512701608834 ], [ -119.88138162923889, 38.16513059610345 ], [ -119.88120755221277, 38.16514850711794 ], [ -119.88090800116592, 38.16516305314128 ], [ -119.88049731810486, 38.165210681175836 ], [ -119.88018383005519, 38.16522035519976 ], [ -119.87991963201517, 38.1652449172214 ], [ -119.8797517819943, 38.16529899723871 ], [ -119.87950853095514, 38.1653015422568 ], [ -119.87922317891274, 38.16533445028078 ], [ -119.87893050187391, 38.16540774030903 ], [ -119.87869286084732, 38.16550960133573 ], [ -119.87846206282292, 38.16562055436283 ], [ -119.87825932980643, 38.165759332390394 ], [ -119.87813331979942, 38.16587308941004 ], [ -119.87799951179653, 38.16603310643447 ], [ -119.87780031177306, 38.16610804245599 ], [ -119.87762457674874, 38.1661434834721 ], [ -119.87741437071607, 38.166155721488686 ] ], "type": "LineString" }, "properties": { "distance_miles": null, "distance_status": "not_printed", "end_node_id": "route-node-emigrant-bear-junction", "route_id": "route-emigrant-crabtree-bear-lake", "route_role": "official_mainline", "segment_id": "route-segment-emigrant-crabtree-camp-bear-junction", "sequence": 4, "source_feature_id": "usfs-emigrant-camp-bear-junction", "source_geometry_accuracy": "unknown; source coordinate digits are not an accuracy statement", "start_node_id": "route-node-emigrant-camp-west-approach" }, "type": "Feature" }, { "geometry": { "coordinates": [ [ -119.87741437071607, 38.166155721488686 ], [ -119.87735791371527, 38.16622627949927 ], [ -119.87731217671781, 38.16631065651034 ], [ -119.87726643972029, 38.166395033521404 ], [ -119.87721702172327, 38.16648800453353 ], [ -119.87716727872622, 38.16658159154573 ], [ -119.87708267373137, 38.16674153756652 ], [ -119.8769797967409, 38.16696398259439 ], [ -119.87684578874851, 38.167212665626934 ], [ -119.87671939474409, 38.16734899964865 ], [ -119.87662103574165, 38.1674635016663 ], [ -119.87656343374262, 38.16755146467857 ], [ -119.87650795274362, 38.167636191690356 ], [ -119.8762973287338, 38.16784224472466 ], [ -119.87621295972569, 38.16788998973522 ], [ -119.87613008671778, 38.16793688674561 ], [ -119.87607890171202, 38.16795818675133 ], [ -119.87602835670627, 38.167979236756956 ], [ -119.8760283067063, 38.16797925175696 ], [ -119.87596582769754, 38.167991140762645 ], [ -119.8759657706975, 38.167991140762645 ], [ -119.87583989968415, 38.16805083177735 ], [ -119.87583984768413, 38.16805084277735 ], [ -119.87577923567576, 38.16806354978297 ], [ -119.87572551466842, 38.168074811787925 ], [ -119.87572546566841, 38.16807482878791 ], [ -119.87567004866249, 38.168100941794435 ], [ -119.87561686365682, 38.168125985800614 ], [ -119.87562421567708, 38.16828756581481 ], [ -119.87563163669748, 38.168450651829126 ], [ -119.87561828973408, 38.16877915886007 ], [ -119.87565757674957, 38.16885642686421 ], [ -119.87569723076523, 38.168934413868406 ], [ -119.87571060877384, 38.1689887858724 ], [ -119.87572402078241, 38.169043288876395 ], [ -119.87567786279024, 38.1691726878916 ], [ -119.87561309978845, 38.16924686390312 ], [ -119.87554721278669, 38.16932232891486 ], [ -119.87553440279547, 38.16941453192421 ], [ -119.87552164780425, 38.169506352933475 ], [ -119.87555621881606, 38.16955927993578 ], [ -119.87559049982782, 38.16961176293804 ], [ -119.87568117785007, 38.16967567593723 ], [ -119.8757699498719, 38.1697382469364 ], [ -119.87583215888746, 38.16978490793608 ], [ -119.8758631458995, 38.16984431093924 ], [ -119.87585178190932, 38.169943070949046 ], [ -119.87578437592107, 38.17013496797154 ], [ -119.87573669792039, 38.17019470198049 ], [ -119.8756893179197, 38.17025406198941 ], [ -119.8754640808936, 38.17034266101404 ], [ -119.87523884186746, 38.17043125903868 ], [ -119.87514725386751, 38.170557558056906 ], [ -119.87505613086758, 38.17068321707507 ], [ -119.87485701084525, 38.17076801909746 ], [ -119.87477605384301, 38.170860409111846 ], [ -119.87474694385742, 38.171022662128784 ], [ -119.87471813987169, 38.17118320114557 ], [ -119.8747283928953, 38.17136907216175 ], [ -119.87473854691865, 38.17155312217778 ], [ -119.87471573591945, 38.171591224182954 ], [ -119.87469338892024, 38.17162854818799 ], [ -119.8745853689094, 38.171685258201144 ], [ -119.8744729608981, 38.171744281214735 ], [ -119.87435988288216, 38.171764279224924 ], [ -119.87422932986367, 38.17178736723658 ], [ -119.87422927786363, 38.17178737923665 ], [ -119.87414438885276, 38.1718119132451 ], [ -119.8740580428417, 38.17183685425372 ], [ -119.87402302084065, 38.17187629425992 ], [ -119.87398773583966, 38.17191603326612 ], [ -119.87398389585175, 38.17202406527627 ], [ -119.87397600985841, 38.17209143428297 ], [ -119.87396352686224, 38.17214062728835 ], [ -119.87395104286595, 38.17218982029382 ], [ -119.87393153286673, 38.17222292929823 ], [ -119.87391184286746, 38.17225634730272 ], [ -119.87381689486615, 38.17237544032059 ], [ -119.87376755486487, 38.17243280232946 ], [ -119.87371840886365, 38.172489939338284 ], [ -119.87364881685961, 38.17255112634895 ], [ -119.87359970485731, 38.172599381356996 ], [ -119.87356797885683, 38.17263910936295 ], [ -119.87352562385468, 38.172678555369664 ], [ -119.8734333118454, 38.172727489380925 ], [ -119.87334762583689, 38.17277291139135 ], [ -119.87312435481269, 38.17287504741708 ], [ -119.87304661980656, 38.1729296074278 ], [ -119.87296976180043, 38.17298355143838 ], [ -119.87284994978944, 38.17305544545371 ], [ -119.87272538277803, 38.17313019146971 ], [ -119.87258236176555, 38.1732209864885 ], [ -119.87254381676131, 38.17323794649288 ], [ -119.87254376076125, 38.17323794749293 ], [ -119.87250407975533, 38.17324197349621 ], [ -119.87247357175073, 38.17324506949874 ], [ -119.87247352475069, 38.1732450674987 ], [ -119.87233105472717, 38.17324132150885 ], [ -119.87233099872715, 38.17324131550885 ], [ -119.87227163871685, 38.1732354435127 ], [ -119.8722060857054, 38.17322895751692 ], [ -119.87220604170544, 38.173228953516904 ], [ -119.8721810387018, 38.17323257851911 ], [ -119.8721536796978, 38.173236545521476 ], [ -119.8721536256978, 38.173236543521455 ], [ -119.87208060568891, 38.173261654529135 ], [ -119.87208055268889, 38.17326166452913 ], [ -119.87201806768016, 38.17327346153482 ], [ -119.87201801068016, 38.17327346353481 ], [ -119.87188587765935, 38.17327898654506 ], [ -119.87188582165938, 38.173278988545036 ], [ -119.87184416365245, 38.173277865547995 ], [ -119.87180250464556, 38.173276741550964 ], [ -119.87180245164554, 38.173276732550946 ], [ -119.87174160563441, 38.1732661065545 ], [ -119.87168076162325, 38.173255481558 ], [ -119.87168070762327, 38.173255471558 ], [ -119.8716329116151, 38.17325205856119 ], [ -119.87157968360602, 38.17324825656478 ], [ -119.87157962660605, 38.173248260564755 ], [ -119.87145823858698, 38.173254061574255 ], [ -119.87145818158696, 38.17325406457422 ], [ -119.87138537157549, 38.17325659657981 ], [ -119.87138531657544, 38.17325659557981 ], [ -119.87133944757053, 38.17327786658511 ], [ -119.87117909955198, 38.17334120460271 ], [ -119.87113466354617, 38.17335322060709 ], [ -119.87108830854017, 38.173365755611634 ], [ -119.8710882525401, 38.1733657546116 ], [ -119.871025249531, 38.17337511861714 ], [ -119.87095963752147, 38.17338486962284 ], [ -119.87095958352148, 38.17338487062284 ], [ -119.87092342451574, 38.173385930625585 ], [ -119.87087980250881, 38.17338720862892 ], [ -119.87087974550883, 38.1733872106289 ], [ -119.87078922849386, 38.17338486563537 ], [ -119.87078917249383, 38.17338486563537 ], [ -119.87072285448497, 38.17340107564175 ], [ -119.87063182347352, 38.17342923665099 ], [ -119.87054869146307, 38.173454952659434 ], [ -119.87046120845233, 38.173484184668574 ], [ -119.87035298244183, 38.17354433868201 ], [ -119.87002727441129, 38.1737333907232 ], [ -119.86967774137854, 38.17393627276742 ], [ -119.86949807735034, 38.17394500278142 ], [ -119.86937906633175, 38.17395078479072 ], [ -119.86934406232805, 38.17396793179484 ], [ -119.86932449733297, 38.174036470802534 ], [ -119.86930450333804, 38.1741065118104 ], [ -119.86929866334346, 38.17416066181575 ], [ -119.86929288434885, 38.17421426482109 ], [ -119.86921245234137, 38.17426167483132 ], [ -119.86881159329367, 38.174408677874204 ], [ -119.86856298227008, 38.17455062790544 ], [ -119.86850181926165, 38.17456335491112 ], [ -119.86844778725417, 38.174574609916114 ], [ -119.86844773125416, 38.1745746109161 ], [ -119.86750512110247, 38.17458544998647 ], [ -119.86734656806344, 38.17447309998787 ], [ -119.86727705904498, 38.17441239998744 ], [ -119.86720825902671, 38.17435231798704 ], [ -119.86715975301712, 38.17433751698923 ], [ -119.86715970901712, 38.174337511989215 ], [ -119.86709170000955, 38.17436709099692 ], [ -119.86702313700192, 38.17439691200468 ] ], "type": "LineString" }, "properties": { "distance_miles": 1.0, "distance_status": "estimated", "end_node_id": "route-node-emigrant-bear-trail-end", "route_id": "route-emigrant-crabtree-bear-lake", "route_role": "official_mainline", "segment_id": "route-segment-emigrant-crabtree-bear-spur", "sequence": 5, "source_feature_id": "usfs-emigrant-bear-spur", "source_geometry_accuracy": "unknown; source coordinate digits are not an accuracy statement", "start_node_id": "route-node-emigrant-bear-junction" }, "type": "Feature" } ], "type": "FeatureCollection", "wayproof": { "distance_complete": false, "distance_miles": 1.0, "entry_id": "trailhead-emigrant-crabtree", "exit_id": "route-node-emigrant-bear-trail-end", "geometry_status": "reviewed_source_snapshot", "navigation_grade": false, "route_id": "route-emigrant-crabtree-bear-lake" } }, "route_geometry_url": "/geometry/routes/route-emigrant-crabtree-bear-lake.geojson", "type": "canonical_entity" }