{ "answerability": "evidence_backed_claims_available", "claims": [ { "claim": { "claim_id": "claim-emigrant-western-burst-powell-junction-topology", "evidence_ids": [ "evidence-emigrant-western-burst-powell-junction-topology" ], "predicate": "mapped_route_connector", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake", "scope-route-emigrant-gianelli-chewing-gum-lake" ], "subject_id": "route-segment-emigrant-western-burst-powell-junction", "temporal_scope": null, "value": { "distance_miles": null, "distance_status": "not_printed", "end_node_id": "route-node-emigrant-powell-junction", "route_role": "official_mainline", "start_node_id": "route-node-emigrant-burst-display-break", "support": "20E14 continues east toward the Powell Lake branch" } }, "evidence": [ { "claim_id": "claim-emigrant-western-burst-powell-junction-topology", "evidence_id": "evidence-emigrant-western-burst-powell-junction-topology", "notes": "", "observation_id": "observation-emigrant-western-burst-powell-junction-topology", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "2010 overview western panel, corroborated by lake detail maps and named USFS trail features: 20E14 continues east toward the Powell Lake branch. Segmentation at source breaks and chosen trail approach vertices is descriptive, not a claim of an official named junction. No atomic mileage assigned from cumulative reports or GIS lengths.", "observation_id": "observation-emigrant-western-burst-powell-junction-topology", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+00:00", "source_id": "source-usfs-emigrant-overview-map" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Emigrant%20Wilderness%20GEOSPATIAL.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-overview-map" } ], "subject": { "entity_id": "route-segment-emigrant-western-burst-powell-junction", "kind": "route_segment", "name": "Burst Powell Junction" } }, { "claim": { "claim_id": "claim-emigrant-western-gianelli-burst-topology", "evidence_ids": [ "evidence-emigrant-western-gianelli-burst-topology" ], "predicate": "mapped_route_connector", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake", "scope-route-emigrant-gianelli-chewing-gum-lake" ], "subject_id": "route-segment-emigrant-western-gianelli-burst", "temporal_scope": null, "value": { "distance_miles": null, "distance_status": "not_printed", "end_node_id": "route-node-emigrant-burst-display-break", "route_role": "official_mainline", "start_node_id": "trailhead-emigrant-gianelli", "support": "20E14 from Gianelli over Burst Rock; source-feature break east of Burst Rock" } }, "evidence": [ { "claim_id": "claim-emigrant-western-gianelli-burst-topology", "evidence_id": "evidence-emigrant-western-gianelli-burst-topology", "notes": "", "observation_id": "observation-emigrant-western-gianelli-burst-topology", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "2010 overview western panel, corroborated by lake detail maps and named USFS trail features: 20E14 from Gianelli over Burst Rock; source-feature break east of Burst Rock. Segmentation at source breaks and chosen trail approach vertices is descriptive, not a claim of an official named junction. No atomic mileage assigned from cumulative reports or GIS lengths.", "observation_id": "observation-emigrant-western-gianelli-burst-topology", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+00:00", "source_id": "source-usfs-emigrant-overview-map" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Emigrant%20Wilderness%20GEOSPATIAL.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-overview-map" } ], "subject": { "entity_id": "route-segment-emigrant-western-gianelli-burst", "kind": "route_segment", "name": "Gianelli Burst" } }, { "claim": { "claim_id": "claim-emigrant-western-powell-spur-topology", "evidence_ids": [ "evidence-emigrant-western-powell-spur-topology" ], "predicate": "mapped_route_connector", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-segment-emigrant-western-powell-spur", "temporal_scope": null, "value": { "distance_miles": null, "distance_status": "not_printed", "end_node_id": "route-node-emigrant-powell-trail-end", "route_role": "official_mainline", "start_node_id": "route-node-emigrant-powell-junction", "support": "named USFS 20E14A POWELL LAKE SPUR; Powell access corroborated by 2018 hiking guide" } }, "evidence": [ { "claim_id": "claim-emigrant-western-powell-spur-topology", "evidence_id": "evidence-emigrant-western-powell-spur-topology", "notes": "", "observation_id": "observation-emigrant-western-powell-spur-topology", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "2010 overview western panel, corroborated by lake detail maps and named USFS trail features: named USFS 20E14A POWELL LAKE SPUR; Powell access corroborated by 2018 hiking guide. Segmentation at source breaks and chosen trail approach vertices is descriptive, not a claim of an official named junction. No atomic mileage assigned from cumulative reports or GIS lengths.", "observation_id": "observation-emigrant-western-powell-spur-topology", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+00:00", "source_id": "source-usfs-emigrant-overview-map" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Emigrant%20Wilderness%20GEOSPATIAL.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-overview-map" } ], "subject": { "entity_id": "route-segment-emigrant-western-powell-spur", "kind": "route_segment", "name": "Powell Spur" } }, { "claim": { "claim_id": "claim-emigrant-western-gianelli-powell-conditions", "evidence_ids": [ "evidence-emigrant-western-gianelli-powell-conditions" ], "predicate": "pretrip_current_conditions_recheck", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null, "value": { "current_status": "unknown", "required": true, "topics": [ "access roads", "trail and crossings", "water", "fire restrictions", "snow and closures" ] } }, "evidence": [ { "claim_id": "claim-emigrant-western-gianelli-powell-conditions", "evidence_id": "evidence-emigrant-western-gianelli-powell-conditions", "notes": "", "observation_id": "observation-emigrant-western-gianelli-powell-conditions", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Forest alert index requires current order and map review. Historical maps do not establish present road, snow, crossing, water, fire or trail status.", "observation_id": "observation-emigrant-western-gianelli-powell-conditions", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+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-gianelli-powell-lake", "kind": "route", "name": "Gianelli to Powell Lake" } }, { "claim": { "claim_id": "claim-emigrant-western-gianelli-powell-table", "evidence_ids": [ "evidence-emigrant-western-gianelli-powell-table" ], "predicate": "published_approach_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null, "value": { "endpoint_precision": "destination unspecified", "not_atomic_distance": true, "reported_one_way_miles": 2.3, "source_edition": "2012-06" } }, "evidence": [ { "claim_id": "claim-emigrant-western-gianelli-powell-table", "evidence_id": "evidence-emigrant-western-gianelli-powell-table", "notes": "", "observation_id": "observation-emigrant-western-gianelli-powell-table", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "ROG 16-27 June 2012, page 1: Gianelli column reports Powell Lake at 2.3 miles. Printed destination total; exact lake endpoint is unspecified.", "observation_id": "observation-emigrant-western-gianelli-powell-table", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+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-gianelli-powell-lake", "kind": "route", "name": "Gianelli to Powell Lake" } }, { "claim": { "claim_id": "claim-emigrant-western-powell-favorite-hikes", "evidence_ids": [ "evidence-emigrant-western-powell-favorite-hikes" ], "predicate": "published_approach_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null, "value": { "not_atomic_distance": true, "qualifier": "printed report", "reported_one_way_miles": 2, "source_edition": "2018-11" } }, "evidence": [ { "claim_id": "claim-emigrant-western-powell-favorite-hikes", "evidence_id": "evidence-emigrant-western-powell-favorite-hikes", "notes": "", "observation_id": "observation-emigrant-western-powell-favorite-hikes", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Official favorite-hikes gives Gianelli–Powell Lake as 2 miles; edition 2018-11. The 2018 guide describes Powell as one mile beyond Burst Rock; schematic estimates do not identify every graph vertex.", "observation_id": "observation-emigrant-western-powell-favorite-hikes", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+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-gianelli-powell-lake", "kind": "route", "name": "Gianelli to Powell Lake" } }, { "claim": { "claim_id": "claim-emigrant-western-powell-mileage-diagram", "evidence_ids": [ "evidence-emigrant-western-powell-mileage-diagram" ], "predicate": "published_approach_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null, "value": { "not_atomic_distance": true, "qualifier": "estimate", "reported_one_way_miles": 2.0, "source_edition": "2021 filename" } }, "evidence": [ { "claim_id": "claim-emigrant-western-powell-mileage-diagram", "evidence_id": "evidence-emigrant-western-powell-mileage-diagram", "notes": "", "observation_id": "observation-emigrant-western-powell-mileage-diagram", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Official mileage-diagram gives Gianelli–Powell Lake as 2.0 miles; edition 2021 filename. The 2018 guide describes Powell as one mile beyond Burst Rock; schematic estimates do not identify every graph vertex.", "observation_id": "observation-emigrant-western-powell-mileage-diagram", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+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-emigrant-gianelli-powell-lake", "kind": "route", "name": "Gianelli to Powell Lake" } }, { "claim": { "claim_id": "claim-emigrant-western-powell-trail-map", "evidence_ids": [ "evidence-emigrant-western-powell-trail-map" ], "predicate": "published_approach_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null, "value": { "not_atomic_distance": true, "qualifier": "printed report", "reported_one_way_miles": 1.8, "source_edition": "unknown" } }, "evidence": [ { "claim_id": "claim-emigrant-western-powell-trail-map", "evidence_id": "evidence-emigrant-western-powell-trail-map", "notes": "", "observation_id": "observation-emigrant-western-powell-trail-map", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Official trail-map gives Gianelli–Powell Lake as 1.8 miles; edition unknown. The 2018 guide describes Powell as one mile beyond Burst Rock; schematic estimates do not identify every graph vertex.", "observation_id": "observation-emigrant-western-powell-trail-map", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+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-emigrant-gianelli-powell-lake", "kind": "route", "name": "Gianelli to Powell Lake" } }, { "claim": { "claim_id": "claim-emigrant-western-burst-powell-junction-geometry", "evidence_ids": [ "evidence-emigrant-western-burst-powell-junction-geometry" ], "predicate": "reviewed_route_display_geometry", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake", "scope-route-emigrant-gianelli-chewing-gum-lake" ], "subject_id": "route-segment-emigrant-western-burst-powell-junction", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4326", "current_route_status": "unknown; pre-trip check required", "end_coordinate": { "latitude": 38.201893109061224, "longitude": -119.85956814704068 }, "geometry_snapshot": { "feature_id": "usfs-emigrant-western-burst-powell-junction", "path": "geometry/v0/snapshots/usfs-emigrant-western-routes-20261006.geojson", "sha256": "5cca60fe36da261b084bbd7b258964fee57c6b6a4f02edb166dad0acd7bb71ee" }, "navigation_grade": false, "route_role": "official_mainline", "source_coordinate_accuracy": "unknown", "source_feature_id": 9505484, "source_globalid": "{A67C6A39-1A55-4D55-B9C7-AFD31CBE40F7}", "source_vertex_range_inclusive": [ 0, 73 ], "start_coordinate": { "latitude": 38.200986162869924, "longitude": -119.8746181583769 } } }, "evidence": [ { "claim_id": "claim-emigrant-western-burst-powell-junction-geometry", "evidence_id": "evidence-emigrant-western-burst-powell-junction-geometry", "notes": "", "observation_id": "observation-emigrant-western-burst-powell-junction-geometry", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "USFS National Forest System Trails feature 9505484, globalid {A67C6A39-1A55-4D55-B9C7-AFD31CBE40F7}, 20E14 BURST ROCK: reviewed inclusive normalized source vertices 0 through 73. Matched against official trail maps; source lengths describe the entire original feature. No coordinate is snapped and no mileage is computed.", "observation_id": "observation-emigrant-western-burst-powell-junction-geometry", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature 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-western-burst-powell-junction", "kind": "route_segment", "name": "Burst Powell Junction" } }, { "claim": { "claim_id": "claim-emigrant-western-gianelli-burst-geometry", "evidence_ids": [ "evidence-emigrant-western-gianelli-burst-geometry" ], "predicate": "reviewed_route_display_geometry", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake", "scope-route-emigrant-gianelli-chewing-gum-lake" ], "subject_id": "route-segment-emigrant-western-gianelli-burst", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4326", "current_route_status": "unknown; pre-trip check required", "end_coordinate": { "latitude": 38.200986162869924, "longitude": -119.8746181583769 }, "geometry_snapshot": { "feature_id": "usfs-emigrant-western-gianelli-burst", "path": "geometry/v0/snapshots/usfs-emigrant-western-routes-20261006.geojson", "sha256": "5cca60fe36da261b084bbd7b258964fee57c6b6a4f02edb166dad0acd7bb71ee" }, "navigation_grade": false, "route_role": "official_mainline", "source_coordinate_accuracy": "unknown", "source_feature_id": 9429323, "source_globalid": "{C2BC6336-47AF-4373-BBF9-B3E9BD88D532}", "source_vertex_range_inclusive": [ 0, 67 ], "start_coordinate": { "latitude": 38.1990289378876, "longitude": -119.88553257191673 } } }, "evidence": [ { "claim_id": "claim-emigrant-western-gianelli-burst-geometry", "evidence_id": "evidence-emigrant-western-gianelli-burst-geometry", "notes": "", "observation_id": "observation-emigrant-western-gianelli-burst-geometry", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "USFS National Forest System Trails feature 9429323, globalid {C2BC6336-47AF-4373-BBF9-B3E9BD88D532}, 20E14 BURST ROCK: reviewed inclusive normalized source vertices 0 through 67. Matched against official trail maps; source lengths describe the entire original feature. No coordinate is snapped and no mileage is computed.", "observation_id": "observation-emigrant-western-gianelli-burst-geometry", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature 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-western-gianelli-burst", "kind": "route_segment", "name": "Gianelli Burst" } }, { "claim": { "claim_id": "claim-emigrant-western-powell-spur-geometry", "evidence_ids": [ "evidence-emigrant-western-powell-spur-geometry" ], "predicate": "reviewed_route_display_geometry", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-segment-emigrant-western-powell-spur", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4326", "current_route_status": "unknown; pre-trip check required", "end_coordinate": { "latitude": 38.20300733525263, "longitude": -119.85834828897434 }, "geometry_snapshot": { "feature_id": "usfs-emigrant-western-powell-spur", "path": "geometry/v0/snapshots/usfs-emigrant-western-routes-20261006.geojson", "sha256": "5cca60fe36da261b084bbd7b258964fee57c6b6a4f02edb166dad0acd7bb71ee" }, "navigation_grade": false, "route_role": "official_mainline", "source_coordinate_accuracy": "unknown", "source_feature_id": 9430968, "source_globalid": "{C539E29C-748A-4018-821E-D53108F78B61}", "source_vertex_range_inclusive": [ 0, 22 ], "start_coordinate": { "latitude": 38.201889705060864, "longitude": -119.85956900904041 } } }, "evidence": [ { "claim_id": "claim-emigrant-western-powell-spur-geometry", "evidence_id": "evidence-emigrant-western-powell-spur-geometry", "notes": "", "observation_id": "observation-emigrant-western-powell-spur-geometry", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "USFS National Forest System Trails feature 9430968, globalid {C539E29C-748A-4018-821E-D53108F78B61}, 20E14A POWELL LAKE SPUR: reviewed inclusive normalized source vertices 0 through 22. Matched against official trail maps; source lengths describe the entire original feature. No coordinate is snapped and no mileage is computed.", "observation_id": "observation-emigrant-western-powell-spur-geometry", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature 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-western-powell-spur", "kind": "route_segment", "name": "Powell Spur" } }, { "claim": { "claim_id": "claim-emigrant-western-gianelli-powell-profile", "evidence_ids": [ "evidence-emigrant-western-gianelli-powell-profile" ], "predicate": "route_description", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null, "value": { "current_conditions": "unknown", "directionality": "bidirectional mapped trail", "end_node_id": "route-node-emigrant-powell-trail-end", "endpoint_status": "reviewed trail approach; not lake centroid or campsite", "entry_id": "trailhead-emigrant-gianelli", "name_status": "Wayproof descriptive approach", "objective_id": "waterbody-emigrant-powell-lake", "source_edition": "2010" } }, "evidence": [ { "claim_id": "claim-emigrant-western-gianelli-powell-profile", "evidence_id": "evidence-emigrant-western-gianelli-powell-profile", "notes": "", "observation_id": "observation-emigrant-western-gianelli-powell-profile", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "2010 Emigrant Wilderness map, western panel: Gianelli to Powell Lake follows the explicitly drawn trail network. Detailed segment claims retain the reviewed trail numbers and junctions. This is a Wayproof descriptive approach, not an asserted official route name.", "observation_id": "observation-emigrant-western-gianelli-powell-profile", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+00:00", "source_id": "source-usfs-emigrant-overview-map" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Emigrant%20Wilderness%20GEOSPATIAL.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-overview-map" } ], "subject": { "entity_id": "route-emigrant-gianelli-powell-lake", "kind": "route", "name": "Gianelli to Powell Lake" } } ], "entity": { "entity_id": "route-emigrant-gianelli-powell-lake", "kind": "route", "name": "Gianelli to Powell Lake" }, "gap_details": [ { "claims": [ { "claim": { "claim_id": "claim-emigrant-western-gianelli-powell-conditions", "evidence_ids": [ "evidence-emigrant-western-gianelli-powell-conditions" ], "predicate": "pretrip_current_conditions_recheck", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null, "value": { "current_status": "unknown", "required": true, "topics": [ "access roads", "trail and crossings", "water", "fire restrictions", "snow and closures" ] } }, "evidence": [ { "claim_id": "claim-emigrant-western-gianelli-powell-conditions", "evidence_id": "evidence-emigrant-western-gianelli-powell-conditions", "notes": "", "observation_id": "observation-emigrant-western-gianelli-powell-conditions", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Forest alert index requires current order and map review. Historical maps do not establish present road, snow, crossing, water, fire or trail status.", "observation_id": "observation-emigrant-western-gianelli-powell-conditions", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+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-western-gianelli-powell-profile", "evidence_ids": [ "evidence-emigrant-western-gianelli-powell-profile" ], "predicate": "route_description", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null, "value": { "current_conditions": "unknown", "directionality": "bidirectional mapped trail", "end_node_id": "route-node-emigrant-powell-trail-end", "endpoint_status": "reviewed trail approach; not lake centroid or campsite", "entry_id": "trailhead-emigrant-gianelli", "name_status": "Wayproof descriptive approach", "objective_id": "waterbody-emigrant-powell-lake", "source_edition": "2010" } }, "evidence": [ { "claim_id": "claim-emigrant-western-gianelli-powell-profile", "evidence_id": "evidence-emigrant-western-gianelli-powell-profile", "notes": "", "observation_id": "observation-emigrant-western-gianelli-powell-profile", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "2010 Emigrant Wilderness map, western panel: Gianelli to Powell Lake follows the explicitly drawn trail network. Detailed segment claims retain the reviewed trail numbers and junctions. This is a Wayproof descriptive approach, not an asserted official route name.", "observation_id": "observation-emigrant-western-gianelli-powell-profile", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+00:00", "source_id": "source-usfs-emigrant-overview-map" } ], "sources": [ { "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Emigrant%20Wilderness%20GEOSPATIAL.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-overview-map" } ] } ], "entities": [ { "entity_id": "route-emigrant-gianelli-powell-lake", "kind": "route", "name": "Gianelli to Powell Lake" } ], "history": [ { "action": "ADD", "change_set_id": "wp-20261006-emigrant-western-coverage", "evidence_refs": [], "knowledge_gap_refs": [ "gap-emigrant-western-gianelli-powell-planning" ], "path": "canonical/v0/gaps/gap-emigrant-western-gianelli-powell-planning.json", "reason": "Add bounded western approach, geometry and facility evidence; retain unresolved planning limits.", "record_id": "gap-emigrant-western-gianelli-powell-planning", "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-western-occupancy-supersession", "position": 213, "previous_id": "gap-emigrant-western-gianelli-chewing-gum-planning", "total": 299 }, "observations": [ { "artifact_refs": [], "content": "Forest alert index requires current order and map review. Historical maps do not establish present road, snow, crossing, water, fire or trail status.", "observation_id": "observation-emigrant-western-gianelli-powell-conditions", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+00:00", "source_id": "source-usfs-emigrant-alerts" }, { "artifact_refs": [], "content": "2010 Emigrant Wilderness map, western panel: Gianelli to Powell Lake follows the explicitly drawn trail network. Detailed segment claims retain the reviewed trail numbers and junctions. This is a Wayproof descriptive approach, not an asserted official route name.", "observation_id": "observation-emigrant-western-gianelli-powell-profile", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+00:00", "source_id": "source-usfs-emigrant-overview-map" } ], "record": { "gap_id": "gap-emigrant-western-gianelli-powell-planning", "question": "What remains unverified for Gianelli to Powell Lake?", "reason": "Approach topology and display geometry are represented; no complete mileage, return itinerary, shoreline circulation, legal individual campsite, drinkable water or current trail clearance is established. Printed destination totals may end at a different point from the descriptive display endpoint. Recheck the route and intended endpoint with the Forest Service.", "related_ids": [ "claim-emigrant-western-gianelli-powell-profile", "claim-emigrant-western-gianelli-powell-conditions" ] }, "record_type": "gap", "related_records": [ { "record": { "claim_id": "claim-emigrant-western-gianelli-powell-profile", "evidence_ids": [ "evidence-emigrant-western-gianelli-powell-profile" ], "predicate": "route_description", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null, "value": { "current_conditions": "unknown", "directionality": "bidirectional mapped trail", "end_node_id": "route-node-emigrant-powell-trail-end", "endpoint_status": "reviewed trail approach; not lake centroid or campsite", "entry_id": "trailhead-emigrant-gianelli", "name_status": "Wayproof descriptive approach", "objective_id": "waterbody-emigrant-powell-lake", "source_edition": "2010" } }, "record_id": "claim-emigrant-western-gianelli-powell-profile", "record_type": "claim" }, { "record": { "claim_id": "claim-emigrant-western-gianelli-powell-conditions", "evidence_ids": [ "evidence-emigrant-western-gianelli-powell-conditions" ], "predicate": "pretrip_current_conditions_recheck", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null, "value": { "current_status": "unknown", "required": true, "topics": [ "access roads", "trail and crossings", "water", "fire restrictions", "snow and closures" ] } }, "record_id": "claim-emigrant-western-gianelli-powell-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/legacy-media/stanislaus/Emigrant%20Wilderness%20GEOSPATIAL.pdf", "publisher": "USDA Forest Service, Stanislaus National Forest", "source_id": "source-usfs-emigrant-overview-map" } ] }, { "claims": [ { "claim": { "claim_id": "claim-emigrant-western-gianelli-powell-table", "evidence_ids": [ "evidence-emigrant-western-gianelli-powell-table" ], "predicate": "published_approach_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null, "value": { "endpoint_precision": "destination unspecified", "not_atomic_distance": true, "reported_one_way_miles": 2.3, "source_edition": "2012-06" } }, "evidence": [ { "claim_id": "claim-emigrant-western-gianelli-powell-table", "evidence_id": "evidence-emigrant-western-gianelli-powell-table", "notes": "", "observation_id": "observation-emigrant-western-gianelli-powell-table", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "ROG 16-27 June 2012, page 1: Gianelli column reports Powell Lake at 2.3 miles. Printed destination total; exact lake endpoint is unspecified.", "observation_id": "observation-emigrant-western-gianelli-powell-table", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+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-western-powell-favorite-hikes", "evidence_ids": [ "evidence-emigrant-western-powell-favorite-hikes" ], "predicate": "published_approach_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null, "value": { "not_atomic_distance": true, "qualifier": "printed report", "reported_one_way_miles": 2, "source_edition": "2018-11" } }, "evidence": [ { "claim_id": "claim-emigrant-western-powell-favorite-hikes", "evidence_id": "evidence-emigrant-western-powell-favorite-hikes", "notes": "", "observation_id": "observation-emigrant-western-powell-favorite-hikes", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Official favorite-hikes gives Gianelli–Powell Lake as 2 miles; edition 2018-11. The 2018 guide describes Powell as one mile beyond Burst Rock; schematic estimates do not identify every graph vertex.", "observation_id": "observation-emigrant-western-powell-favorite-hikes", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+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-western-powell-mileage-diagram", "evidence_ids": [ "evidence-emigrant-western-powell-mileage-diagram" ], "predicate": "published_approach_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null, "value": { "not_atomic_distance": true, "qualifier": "estimate", "reported_one_way_miles": 2.0, "source_edition": "2021 filename" } }, "evidence": [ { "claim_id": "claim-emigrant-western-powell-mileage-diagram", "evidence_id": "evidence-emigrant-western-powell-mileage-diagram", "notes": "", "observation_id": "observation-emigrant-western-powell-mileage-diagram", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Official mileage-diagram gives Gianelli–Powell Lake as 2.0 miles; edition 2021 filename. The 2018 guide describes Powell as one mile beyond Burst Rock; schematic estimates do not identify every graph vertex.", "observation_id": "observation-emigrant-western-powell-mileage-diagram", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+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" } ] }, { "claim": { "claim_id": "claim-emigrant-western-powell-trail-map", "evidence_ids": [ "evidence-emigrant-western-powell-trail-map" ], "predicate": "published_approach_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null, "value": { "not_atomic_distance": true, "qualifier": "printed report", "reported_one_way_miles": 1.8, "source_edition": "unknown" } }, "evidence": [ { "claim_id": "claim-emigrant-western-powell-trail-map", "evidence_id": "evidence-emigrant-western-powell-trail-map", "notes": "", "observation_id": "observation-emigrant-western-powell-trail-map", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Official trail-map gives Gianelli–Powell Lake as 1.8 miles; edition unknown. The 2018 guide describes Powell as one mile beyond Burst Rock; schematic estimates do not identify every graph vertex.", "observation_id": "observation-emigrant-western-powell-trail-map", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+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" } ] } ], "entities": [ { "entity_id": "route-emigrant-gianelli-powell-lake", "kind": "route", "name": "Gianelli to Powell Lake" } ], "history": [ { "action": "ADD", "change_set_id": "wp-20261006-emigrant-western-coverage", "evidence_refs": [], "knowledge_gap_refs": [ "gap-emigrant-western-powell-mileage" ], "path": "canonical/v0/gaps/gap-emigrant-western-powell-mileage.json", "reason": "Add bounded western approach, geometry and facility evidence; retain unresolved planning limits.", "record_id": "gap-emigrant-western-powell-mileage", "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-foliage-trip-current-conditions", "position": 215, "previous_id": "gap-emigrant-western-occupancy-supersession", "total": 299 }, "observations": [ { "artifact_refs": [], "content": "ROG 16-27 June 2012, page 1: Gianelli column reports Powell Lake at 2.3 miles. Printed destination total; exact lake endpoint is unspecified.", "observation_id": "observation-emigrant-western-gianelli-powell-table", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+00:00", "source_id": "source-usfs-emigrant-mileage-table" }, { "artifact_refs": [], "content": "Official favorite-hikes gives Gianelli–Powell Lake as 2 miles; edition 2018-11. The 2018 guide describes Powell as one mile beyond Burst Rock; schematic estimates do not identify every graph vertex.", "observation_id": "observation-emigrant-western-powell-favorite-hikes", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+00:00", "source_id": "source-usfs-emigrant-favorite-hikes" }, { "artifact_refs": [], "content": "Official mileage-diagram gives Gianelli–Powell Lake as 2.0 miles; edition 2021 filename. The 2018 guide describes Powell as one mile beyond Burst Rock; schematic estimates do not identify every graph vertex.", "observation_id": "observation-emigrant-western-powell-mileage-diagram", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+00:00", "source_id": "source-usfs-emigrant-mileage-diagram" }, { "artifact_refs": [], "content": "Official trail-map gives Gianelli–Powell Lake as 1.8 miles; edition unknown. The 2018 guide describes Powell as one mile beyond Burst Rock; schematic estimates do not identify every graph vertex.", "observation_id": "observation-emigrant-western-powell-trail-map", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+00:00", "source_id": "source-usfs-emigrant-trail-map" } ], "record": { "gap_id": "gap-emigrant-western-powell-mileage", "question": "Which Powell Lake approach mileage applies?", "reason": "The 2012 table reports 2.3 miles, the 2018 guide and 2021 schematic 2/2.0, and the undated GIF 1.8. Retain the reports independently; endpoint and edition alignment is unresolved. Do not subtract destination totals into atomic lengths.", "related_ids": [ "claim-emigrant-western-gianelli-powell-table", "claim-emigrant-western-powell-favorite-hikes", "claim-emigrant-western-powell-mileage-diagram", "claim-emigrant-western-powell-trail-map" ] }, "record_type": "gap", "related_records": [ { "record": { "claim_id": "claim-emigrant-western-gianelli-powell-table", "evidence_ids": [ "evidence-emigrant-western-gianelli-powell-table" ], "predicate": "published_approach_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null, "value": { "endpoint_precision": "destination unspecified", "not_atomic_distance": true, "reported_one_way_miles": 2.3, "source_edition": "2012-06" } }, "record_id": "claim-emigrant-western-gianelli-powell-table", "record_type": "claim" }, { "record": { "claim_id": "claim-emigrant-western-powell-favorite-hikes", "evidence_ids": [ "evidence-emigrant-western-powell-favorite-hikes" ], "predicate": "published_approach_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null, "value": { "not_atomic_distance": true, "qualifier": "printed report", "reported_one_way_miles": 2, "source_edition": "2018-11" } }, "record_id": "claim-emigrant-western-powell-favorite-hikes", "record_type": "claim" }, { "record": { "claim_id": "claim-emigrant-western-powell-mileage-diagram", "evidence_ids": [ "evidence-emigrant-western-powell-mileage-diagram" ], "predicate": "published_approach_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null, "value": { "not_atomic_distance": true, "qualifier": "estimate", "reported_one_way_miles": 2.0, "source_edition": "2021 filename" } }, "record_id": "claim-emigrant-western-powell-mileage-diagram", "record_type": "claim" }, { "record": { "claim_id": "claim-emigrant-western-powell-trail-map", "evidence_ids": [ "evidence-emigrant-western-powell-trail-map" ], "predicate": "published_approach_distance_report", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null, "value": { "not_atomic_distance": true, "qualifier": "printed report", "reported_one_way_miles": 1.8, "source_edition": "unknown" } }, "record_id": "claim-emigrant-western-powell-trail-map", "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/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-20261006-emigrant-western-coverage", "evidence_refs": [], "knowledge_gap_refs": [], "path": "canonical/v0/entities/route-emigrant-gianelli-powell-lake.json", "reason": "Add bounded western approach, geometry and facility evidence; retain unresolved planning limits.", "record_id": "route-emigrant-gianelli-powell-lake", "record_type": "entity", "summary": "Add six drawable western Emigrant approaches with shared physical segments, lake camping evidence and historical trailhead facilities." }, { "action": "ADD", "change_set_id": "wp-20261006-emigrant-western-coverage", "evidence_refs": [ "evidence-emigrant-western-burst-powell-junction-topology" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-western-burst-powell-junction-topology.json", "reason": "Add bounded western approach, geometry and facility evidence; retain unresolved planning limits.", "record_id": "claim-emigrant-western-burst-powell-junction-topology", "record_type": "claim", "summary": "Add six drawable western Emigrant approaches with shared physical segments, lake camping evidence and historical trailhead facilities." }, { "action": "ADD", "change_set_id": "wp-20261006-emigrant-western-coverage", "evidence_refs": [ "evidence-emigrant-western-gianelli-burst-topology" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-western-gianelli-burst-topology.json", "reason": "Add bounded western approach, geometry and facility evidence; retain unresolved planning limits.", "record_id": "claim-emigrant-western-gianelli-burst-topology", "record_type": "claim", "summary": "Add six drawable western Emigrant approaches with shared physical segments, lake camping evidence and historical trailhead facilities." }, { "action": "ADD", "change_set_id": "wp-20261006-emigrant-western-coverage", "evidence_refs": [ "evidence-emigrant-western-powell-spur-topology" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-western-powell-spur-topology.json", "reason": "Add bounded western approach, geometry and facility evidence; retain unresolved planning limits.", "record_id": "claim-emigrant-western-powell-spur-topology", "record_type": "claim", "summary": "Add six drawable western Emigrant approaches with shared physical segments, lake camping evidence and historical trailhead facilities." }, { "action": "ADD", "change_set_id": "wp-20261006-emigrant-western-coverage", "evidence_refs": [ "evidence-emigrant-western-gianelli-powell-conditions" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-western-gianelli-powell-conditions.json", "reason": "Add bounded western approach, geometry and facility evidence; retain unresolved planning limits.", "record_id": "claim-emigrant-western-gianelli-powell-conditions", "record_type": "claim", "summary": "Add six drawable western Emigrant approaches with shared physical segments, lake camping evidence and historical trailhead facilities." }, { "action": "ADD", "change_set_id": "wp-20261006-emigrant-western-coverage", "evidence_refs": [ "evidence-emigrant-western-gianelli-powell-table" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-western-gianelli-powell-table.json", "reason": "Add bounded western approach, geometry and facility evidence; retain unresolved planning limits.", "record_id": "claim-emigrant-western-gianelli-powell-table", "record_type": "claim", "summary": "Add six drawable western Emigrant approaches with shared physical segments, lake camping evidence and historical trailhead facilities." }, { "action": "ADD", "change_set_id": "wp-20261006-emigrant-western-coverage", "evidence_refs": [ "evidence-emigrant-western-powell-favorite-hikes" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-western-powell-favorite-hikes.json", "reason": "Add bounded western approach, geometry and facility evidence; retain unresolved planning limits.", "record_id": "claim-emigrant-western-powell-favorite-hikes", "record_type": "claim", "summary": "Add six drawable western Emigrant approaches with shared physical segments, lake camping evidence and historical trailhead facilities." }, { "action": "ADD", "change_set_id": "wp-20261006-emigrant-western-coverage", "evidence_refs": [ "evidence-emigrant-western-powell-mileage-diagram" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-western-powell-mileage-diagram.json", "reason": "Add bounded western approach, geometry and facility evidence; retain unresolved planning limits.", "record_id": "claim-emigrant-western-powell-mileage-diagram", "record_type": "claim", "summary": "Add six drawable western Emigrant approaches with shared physical segments, lake camping evidence and historical trailhead facilities." }, { "action": "ADD", "change_set_id": "wp-20261006-emigrant-western-coverage", "evidence_refs": [ "evidence-emigrant-western-powell-trail-map" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-western-powell-trail-map.json", "reason": "Add bounded western approach, geometry and facility evidence; retain unresolved planning limits.", "record_id": "claim-emigrant-western-powell-trail-map", "record_type": "claim", "summary": "Add six drawable western Emigrant approaches with shared physical segments, lake camping evidence and historical trailhead facilities." }, { "action": "ADD", "change_set_id": "wp-20261006-emigrant-western-coverage", "evidence_refs": [ "evidence-emigrant-western-burst-powell-junction-geometry" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-western-burst-powell-junction-geometry.json", "reason": "Add bounded western approach, geometry and facility evidence; retain unresolved planning limits.", "record_id": "claim-emigrant-western-burst-powell-junction-geometry", "record_type": "claim", "summary": "Add six drawable western Emigrant approaches with shared physical segments, lake camping evidence and historical trailhead facilities." }, { "action": "ADD", "change_set_id": "wp-20261006-emigrant-western-coverage", "evidence_refs": [ "evidence-emigrant-western-gianelli-burst-geometry" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-western-gianelli-burst-geometry.json", "reason": "Add bounded western approach, geometry and facility evidence; retain unresolved planning limits.", "record_id": "claim-emigrant-western-gianelli-burst-geometry", "record_type": "claim", "summary": "Add six drawable western Emigrant approaches with shared physical segments, lake camping evidence and historical trailhead facilities." }, { "action": "ADD", "change_set_id": "wp-20261006-emigrant-western-coverage", "evidence_refs": [ "evidence-emigrant-western-powell-spur-geometry" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-western-powell-spur-geometry.json", "reason": "Add bounded western approach, geometry and facility evidence; retain unresolved planning limits.", "record_id": "claim-emigrant-western-powell-spur-geometry", "record_type": "claim", "summary": "Add six drawable western Emigrant approaches with shared physical segments, lake camping evidence and historical trailhead facilities." }, { "action": "ADD", "change_set_id": "wp-20261006-emigrant-western-coverage", "evidence_refs": [ "evidence-emigrant-western-gianelli-powell-profile" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-emigrant-western-gianelli-powell-profile.json", "reason": "Add bounded western approach, geometry and facility evidence; retain unresolved planning limits.", "record_id": "claim-emigrant-western-gianelli-powell-profile", "record_type": "claim", "summary": "Add six drawable western Emigrant approaches with shared physical segments, lake camping evidence and historical trailhead facilities." } ], "journey": [ { "claims": [ { "claim": { "claim_id": "claim-emigrant-western-gianelli-powell-conditions", "evidence_ids": [ "evidence-emigrant-western-gianelli-powell-conditions" ], "predicate": "pretrip_current_conditions_recheck", "spatial_scope_ids": [ "scope-route-emigrant-gianelli-powell-lake" ], "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null, "value": { "current_status": "unknown", "required": true, "topics": [ "access roads", "trail and crossings", "water", "fire restrictions", "snow and closures" ] } }, "evidence": [ { "claim_id": "claim-emigrant-western-gianelli-powell-conditions", "evidence_id": "evidence-emigrant-western-gianelli-powell-conditions", "notes": "", "observation_id": "observation-emigrant-western-gianelli-powell-conditions", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Forest alert index requires current order and map review. Historical maps do not establish present road, snow, crossing, water, fire or trail status.", "observation_id": "observation-emigrant-western-gianelli-powell-conditions", "observed_at": null, "observer": "Wayproof primary-source text, georeferenced map and named-feature review", "retrieved_at": "2026-10-06T07:44:34+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-gianelli-powell-lake", "kind": "route", "name": "Gianelli to Powell Lake" } } ], "entity": { "entity_id": "route-emigrant-gianelli-powell-lake", "kind": "route", "name": "Gianelli to Powell Lake" }, "gaps": [ { "gap_id": "gap-emigrant-western-gianelli-powell-planning", "question": "What remains unverified for Gianelli to Powell Lake?", "reason": "Approach topology and display geometry are represented; no complete mileage, return itinerary, shoreline circulation, legal individual campsite, drinkable water or current trail clearance is established. Printed destination totals may end at a different point from the descriptive display endpoint. Recheck the route and intended endpoint with the Forest Service.", "related_ids": [ "claim-emigrant-western-gianelli-powell-profile", "claim-emigrant-western-gianelli-powell-conditions" ] } ], "relationships": [], "role": "Selected place" }, { "claims": [ { "claim": { "claim_id": "claim-emigrant-approach-recheck-gianelli", "evidence_ids": [ "evidence-emigrant-approach-recheck-gianelli" ], "predicate": "pretrip_current_conditions_recheck", "spatial_scope_ids": [ "scope-emigrant-gianelli" ], "subject_id": "trailhead-emigrant-gianelli", "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-gianelli", "evidence_id": "evidence-emigrant-approach-recheck-gianelli", "notes": "", "observation_id": "observation-emigrant-approach-recheck-gianelli", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "The forest alert index contains dynamic road and fire orders. Current applicability to Gianelli Cabin Trailhead needs individual order and map review; its named access relationship is not an open-status observation.", "observation_id": "observation-emigrant-approach-recheck-gianelli", "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-gianelli", "kind": "trailhead", "name": "Gianelli Cabin Trailhead" } } ], "entity": { "entity_id": "trailhead-emigrant-gianelli", "kind": "trailhead", "name": "Gianelli Cabin 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-western-gianelli-powell-profile" ], "object_id": "trailhead-emigrant-gianelli", "predicate": "starts_at", "relationship_id": "relationship-emigrant-western-gianelli-powell-start", "subject_id": "route-emigrant-gianelli-powell-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-western-gianelli-powell-profile" ], "object_id": "wilderness-emigrant", "predicate": "traverses", "relationship_id": "relationship-emigrant-western-gianelli-powell-land", "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null } ], "role": "Traversed place" } ], "knowledge_gaps": [ { "gap_id": "gap-emigrant-western-gianelli-powell-planning", "question": "What remains unverified for Gianelli to Powell Lake?", "reason": "Approach topology and display geometry are represented; no complete mileage, return itinerary, shoreline circulation, legal individual campsite, drinkable water or current trail clearance is established. Printed destination totals may end at a different point from the descriptive display endpoint. Recheck the route and intended endpoint with the Forest Service.", "related_ids": [ "claim-emigrant-western-gianelli-powell-profile", "claim-emigrant-western-gianelli-powell-conditions" ] }, { "gap_id": "gap-emigrant-western-powell-mileage", "question": "Which Powell Lake approach mileage applies?", "reason": "The 2012 table reports 2.3 miles, the 2018 guide and 2021 schematic 2/2.0, and the undated GIF 1.8. Retain the reports independently; endpoint and edition alignment is unresolved. Do not subtract destination totals into atomic lengths.", "related_ids": [ "claim-emigrant-western-gianelli-powell-table", "claim-emigrant-western-powell-favorite-hikes", "claim-emigrant-western-powell-mileage-diagram", "claim-emigrant-western-powell-trail-map" ] } ], "reference_evidence": [], "relationships": [ { "evidence_ids": [ "evidence-emigrant-western-gianelli-powell-profile" ], "object_id": "route-emigrant-gianelli-powell-lake", "predicate": "approached_via", "relationship_id": "relationship-emigrant-western-gianelli-powell-objective", "subject_id": "waterbody-emigrant-powell-lake", "temporal_scope": null }, { "evidence_ids": [ "evidence-emigrant-western-gianelli-powell-profile" ], "object_id": "route-node-emigrant-powell-trail-end", "predicate": "ends_at", "relationship_id": "relationship-emigrant-western-gianelli-powell-end", "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null }, { "evidence_ids": [ "evidence-emigrant-western-gianelli-powell-profile" 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"trailhead-emigrant-gianelli", "predicate": "starts_at", "relationship_id": "relationship-emigrant-western-gianelli-powell-start", "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null }, { "evidence_ids": [ "evidence-emigrant-western-gianelli-powell-profile" ], "object_id": "wilderness-emigrant", "predicate": "traverses", "relationship_id": "relationship-emigrant-western-gianelli-powell-land", "subject_id": "route-emigrant-gianelli-powell-lake", "temporal_scope": null } ], "route_geometry": { "features": [ { "geometry": { "coordinates": [ [ -119.88553257191673, 38.1990289378876 ], [ -119.88515571588329, 38.19926327493668 ], [ -119.8849265278714, 38.199477188973084 ], [ -119.88469337285933, 38.19969480401007 ], [ -119.88441361284504, 38.199958060054655 ], [ -119.88441114084492, 38.19996038605506 ], [ -119.88411674982993, 38.200237407101966 ], [ -119.88325889980315, 38.20118804725173 ], [ -119.88277585878309, 38.20168080933223 ], [ -119.88260124178258, 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