{ "answerability": "evidence_backed_claims_available", "claims": [ { "claim": { "claim_id": "claim-route-segment-cinder-base-fork-summit", "evidence_ids": [ "evidence-cinder-base-fork-summit", "evidence-route-segment-cinder-base-fork-summit-nps-geometry" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-cinder-cone-trail" ], "subject_id": "route-segment-cinder-base-fork-summit", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "59a7da12-3876-49c5-a305-4eae8e92d840", "dataset_feature_name": "Cinder Cone Trail", "dataset_field": "lengthmiles", "distance_miles": 0.33442016, "distance_status": "known", "end_coordinate": { "latitude": 40.5482623, "longitude": -121.321298 }, "geometry_snapshot": { "feature_id": "{620A4923-7C20-446B-B8B4-3D05C5F6EFA4}", "media_type": "application/geo+json", "navigation_grade": false, "normalized_coordinate_reference_system": "EPSG:4326", "path": "geometry/v0/snapshots/nps-lavo-cinder-cone-approach-20260923.geojson", "sha256": "50d218a1cec59453ce4e12aa84a9a0f9768914c10faa715e307b32db764c4b6a", "source_coordinate_reference_system": "EPSG:4269" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "NPS Trails 11/2019", "source_load_date": "2019-12-10T07:53:56.000", "source_mode_attributes": { "bicycle": "No", "hiker_pedestrian": "Yes", "pack_saddle": "No" }, "source_originator": "National Park Service", "start_coordinate": { "latitude": 40.5525129, "longitude": -121.3190095 } } }, "evidence": [ { "claim_id": "claim-route-segment-cinder-base-fork-summit", "evidence_id": "evidence-cinder-base-fork-summit", "notes": "", "observation_id": "observation-usgs-topo-vector-cinder-cone-trails-20250729-20260923", "stance": "supports" }, { "claim_id": "claim-route-segment-cinder-base-fork-summit", "evidence_id": "evidence-route-segment-cinder-base-fork-summit-nps-geometry", "notes": "", "observation_id": "observation-nps-public-trails-cinder-cone-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "The official USGS Topo Vector trail layer connects the NPS Cinder Cone trailhead coordinate to the cone base with one Nobles Emigrant Trail feature and one Butte Lake To Snag Lake Trail feature, then connects the base to the summit approach with one Cinder Cone Trail feature. Twenty-two additional Cinder Cone Trail features form branched rim, crater, and other-side topology whose visitor roles are not uniquely named in the dataset. Dataset publication warns that temporal changes may have occurred.", "observation_id": "observation-usgs-topo-vector-cinder-cone-trails-20250729-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T16:00:00+00:00", "source_id": "source-usgs-topo-vector-prospect-peak-20250729" }, { "artifact_refs": [ "geometry/v0/snapshots/nps-lavo-cinder-cone-approach-20260923.geojson", "sha256:50d218a1cec59453ce4e12aa84a9a0f9768914c10faa715e307b32db764c4b6a" ], "content": "The NPS Public Trails FeatureServer returned one exact endpoint-matched public trail LineString for each of the three already-published Cinder Cone summit approach segments. All three are identified as existing trails. Mapping method, map source, source date, and XY accuracy are unknown for these features; the geometry is planning evidence and is not represented as navigation-grade.", "observation_id": "observation-nps-public-trails-cinder-cone-20260923", "observed_at": null, "observer": "Wayproof official geometry service review", "retrieved_at": "2026-09-23T17:30:00+00:00", "source_id": "source-nps-public-trails-feature-service" } ], "sources": [ { "locator": "https://prd-tnm.s3.amazonaws.com/StagedProducts/TopoMapVector/CA/GPKG/VECTOR_Prospect_Peak_CA_7_5_Min_GPKG.zip", "publisher": "U.S. Geological Survey", "source_id": "source-usgs-topo-vector-prospect-peak-20250729" }, { "locator": "https://mapservices.nps.gov/arcgis/rest/services/NationalDatasets/NPS_Public_Trails/FeatureServer/0", "publisher": "National Park Service", "source_id": "source-nps-public-trails-feature-service" } ], "subject": { "entity_id": "route-segment-cinder-base-fork-summit", "kind": "route_segment", "name": "Cinder Cone base fork to summit approach" } }, { "claim": { "claim_id": "claim-route-segment-cinder-nobles-junction-base-fork", "evidence_ids": [ "evidence-cinder-nobles-junction-base-fork", "evidence-route-segment-cinder-nobles-junction-base-fork-nps-geometry" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-cinder-cone-trail" ], "subject_id": "route-segment-cinder-nobles-junction-base-fork", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "135126a8-5f47-4663-abde-3b8198df215c", "dataset_feature_name": "Butte Lake To Snag Lake Trail", "dataset_field": "lengthmiles", "distance_miles": 0.86346248, "distance_status": "known", "end_coordinate": { "latitude": 40.5525129, "longitude": -121.3190095 }, "geometry_snapshot": { "feature_id": "{02F2A299-CEE6-421E-A859-4FA49B107830}", "media_type": "application/geo+json", "navigation_grade": false, "normalized_coordinate_reference_system": "EPSG:4326", "path": "geometry/v0/snapshots/nps-lavo-cinder-cone-approach-20260923.geojson", "sha256": "50d218a1cec59453ce4e12aa84a9a0f9768914c10faa715e307b32db764c4b6a", "source_coordinate_reference_system": "EPSG:4269" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "NPS Trails 11/2019", "source_load_date": "2019-12-10T07:53:56.000", "source_mode_attributes": { "bicycle": "No", "hiker_pedestrian": "Yes", "pack_saddle": "Yes" }, "source_originator": "National Park Service", "start_coordinate": { "latitude": 40.5600241, "longitude": -121.3069839 } } }, "evidence": [ { "claim_id": "claim-route-segment-cinder-nobles-junction-base-fork", "evidence_id": "evidence-cinder-nobles-junction-base-fork", "notes": "", "observation_id": "observation-usgs-topo-vector-cinder-cone-trails-20250729-20260923", "stance": "supports" }, { "claim_id": "claim-route-segment-cinder-nobles-junction-base-fork", "evidence_id": "evidence-route-segment-cinder-nobles-junction-base-fork-nps-geometry", "notes": "", "observation_id": "observation-nps-public-trails-cinder-cone-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "The official USGS Topo Vector trail layer connects the NPS Cinder Cone trailhead coordinate to the cone base with one Nobles Emigrant Trail feature and one Butte Lake To Snag Lake Trail feature, then connects the base to the summit approach with one Cinder Cone Trail feature. Twenty-two additional Cinder Cone Trail features form branched rim, crater, and other-side topology whose visitor roles are not uniquely named in the dataset. Dataset publication warns that temporal changes may have occurred.", "observation_id": "observation-usgs-topo-vector-cinder-cone-trails-20250729-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T16:00:00+00:00", "source_id": "source-usgs-topo-vector-prospect-peak-20250729" }, { "artifact_refs": [ "geometry/v0/snapshots/nps-lavo-cinder-cone-approach-20260923.geojson", "sha256:50d218a1cec59453ce4e12aa84a9a0f9768914c10faa715e307b32db764c4b6a" ], "content": "The NPS Public Trails FeatureServer returned one exact endpoint-matched public trail LineString for each of the three already-published Cinder Cone summit approach segments. All three are identified as existing trails. Mapping method, map source, source date, and XY accuracy are unknown for these features; the geometry is planning evidence and is not represented as navigation-grade.", "observation_id": "observation-nps-public-trails-cinder-cone-20260923", "observed_at": null, "observer": "Wayproof official geometry service review", "retrieved_at": "2026-09-23T17:30:00+00:00", "source_id": "source-nps-public-trails-feature-service" } ], "sources": [ { "locator": "https://prd-tnm.s3.amazonaws.com/StagedProducts/TopoMapVector/CA/GPKG/VECTOR_Prospect_Peak_CA_7_5_Min_GPKG.zip", "publisher": "U.S. Geological Survey", "source_id": "source-usgs-topo-vector-prospect-peak-20250729" }, { "locator": "https://mapservices.nps.gov/arcgis/rest/services/NationalDatasets/NPS_Public_Trails/FeatureServer/0", "publisher": "National Park Service", "source_id": "source-nps-public-trails-feature-service" } ], "subject": { "entity_id": "route-segment-cinder-nobles-junction-base-fork", "kind": "route_segment", "name": "Nobles and Butte Lake junction to Cinder Cone base fork" } }, { "claim": { "claim_id": "claim-route-segment-cinder-trailhead-nobles-junction", "evidence_ids": [ "evidence-cinder-trailhead-nobles-junction", "evidence-route-segment-cinder-trailhead-nobles-junction-nps-geometry" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-cinder-cone-trail" ], "subject_id": "route-segment-cinder-trailhead-nobles-junction", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "cf935092-79f2-4a53-b21b-c53e5be92029", "dataset_feature_name": "Nobles Emigrant Trail", "dataset_field": "lengthmiles", "distance_miles": 0.38508471, "distance_status": "known", "end_coordinate": { "latitude": 40.5600241, "longitude": -121.3069839 }, "geometry_snapshot": { "feature_id": "{F278D5AC-344D-4BB8-B2F3-3451B9FCF776}", "media_type": "application/geo+json", "navigation_grade": false, "normalized_coordinate_reference_system": "EPSG:4326", "path": "geometry/v0/snapshots/nps-lavo-cinder-cone-approach-20260923.geojson", "sha256": "50d218a1cec59453ce4e12aa84a9a0f9768914c10faa715e307b32db764c4b6a", "source_coordinate_reference_system": "EPSG:4269" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "NPS Trails 11/2019", "source_load_date": "2019-12-10T07:53:56.000", "source_mode_attributes": { "bicycle": "No", "hiker_pedestrian": "Yes", "pack_saddle": "Yes" }, "source_originator": "National Park Service", "start_coordinate": { "latitude": 40.5638179, "longitude": -121.3022149 } } }, "evidence": [ { "claim_id": "claim-route-segment-cinder-trailhead-nobles-junction", "evidence_id": "evidence-cinder-trailhead-nobles-junction", "notes": "", "observation_id": "observation-usgs-topo-vector-cinder-cone-trails-20250729-20260923", "stance": "supports" }, { "claim_id": "claim-route-segment-cinder-trailhead-nobles-junction", "evidence_id": "evidence-route-segment-cinder-trailhead-nobles-junction-nps-geometry", "notes": "", "observation_id": "observation-nps-public-trails-cinder-cone-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "The official USGS Topo Vector trail layer connects the NPS Cinder Cone trailhead coordinate to the cone base with one Nobles Emigrant Trail feature and one Butte Lake To Snag Lake Trail feature, then connects the base to the summit approach with one Cinder Cone Trail feature. Twenty-two additional Cinder Cone Trail features form branched rim, crater, and other-side topology whose visitor roles are not uniquely named in the dataset. Dataset publication warns that temporal changes may have occurred.", "observation_id": "observation-usgs-topo-vector-cinder-cone-trails-20250729-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T16:00:00+00:00", "source_id": "source-usgs-topo-vector-prospect-peak-20250729" }, { "artifact_refs": [ "geometry/v0/snapshots/nps-lavo-cinder-cone-approach-20260923.geojson", "sha256:50d218a1cec59453ce4e12aa84a9a0f9768914c10faa715e307b32db764c4b6a" ], "content": "The NPS Public Trails FeatureServer returned one exact endpoint-matched public trail LineString for each of the three already-published Cinder Cone summit approach segments. All three are identified as existing trails. Mapping method, map source, source date, and XY accuracy are unknown for these features; the geometry is planning evidence and is not represented as navigation-grade.", "observation_id": "observation-nps-public-trails-cinder-cone-20260923", "observed_at": null, "observer": "Wayproof official geometry service review", "retrieved_at": "2026-09-23T17:30:00+00:00", "source_id": "source-nps-public-trails-feature-service" } ], "sources": [ { "locator": "https://prd-tnm.s3.amazonaws.com/StagedProducts/TopoMapVector/CA/GPKG/VECTOR_Prospect_Peak_CA_7_5_Min_GPKG.zip", "publisher": "U.S. Geological Survey", "source_id": "source-usgs-topo-vector-prospect-peak-20250729" }, { "locator": "https://mapservices.nps.gov/arcgis/rest/services/NationalDatasets/NPS_Public_Trails/FeatureServer/0", "publisher": "National Park Service", "source_id": "source-nps-public-trails-feature-service" } ], "subject": { "entity_id": "route-segment-cinder-trailhead-nobles-junction", "kind": "route_segment", "name": "Cinder Cone trailhead to Nobles and Butte Lake junction" } }, { "claim": { "claim_id": "claim-cinder-cone-official-trailhead-coordinate", "evidence_ids": [ "evidence-cinder-cone-official-trailhead-coordinate" ], "predicate": "official_mapped_coordinate", "spatial_scope_ids": [ "scope-route-cinder-cone-trail" ], "subject_id": "trailhead-cinder-cone-butte-lake", "temporal_scope": null, "value": { "alternate_name": "Butte Lake West Trailhead", "latitude": 40.563788, "longitude": -121.30221, "map_id": "40993263-b62b-4118-94c1-983fd352e367", "parking_is_separate_mapped_entity": true } }, "evidence": [ { "claim_id": "claim-cinder-cone-official-trailhead-coordinate", "evidence_id": "evidence-cinder-cone-official-trailhead-coordinate", "notes": "", "observation_id": "observation-nps-lassen-cinder-cone-map-20210331-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "The public NPS Cinder Cone embedded-map configuration identifies the Cinder Cone Trailhead (alternate name Butte Lake West Trailhead) through its NPS Carto overlay at latitude 40.563788 and longitude -121.302210. It separately identifies Butte Lake Parking, so the trailhead and parking lot are not silently collapsed.", "observation_id": "observation-nps-lassen-cinder-cone-map-20210331-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T16:00:00+00:00", "source_id": "source-nps-lassen-cinder-cone-map-20210331" } ], "sources": [ { "locator": "https://www.nps.gov/maps/builder/configs/40993263-b62b-4118-94c1-983fd352e367.jsonp", "publisher": "National Park Service", "source_id": "source-nps-lassen-cinder-cone-map-20210331" } ], "subject": { "entity_id": "trailhead-cinder-cone-butte-lake", "kind": "trailhead", "name": "Cinder Cone trailhead at Butte Lake" } }, { "claim": { "claim_id": "claim-lassen-trail-conditions-recheck", "evidence_ids": [ "evidence-lassen-trail-conditions-recheck" ], "predicate": "pretrip_trail_conditions_recheck", "spatial_scope_ids": [ "scope-route-lassen-peak-trail", "scope-route-brokeoff-mountain-trail", "scope-route-cinder-cone-trail", "scope-route-bumpass-hell-trail", "scope-route-devils-kitchen-trail", "scope-route-boiling-springs-lake-trail", "scope-route-terminal-geyser-trail" ], "subject_id": "park-lassen-volcanic-national-park", "temporal_scope": null, "value": { "required": true, "topics": [ "trail_status", "road_access", "snow", "bridges", "burned_area_hazards", "parking_limits" ], "warning": "trail status alone does not establish road or park-wide access" } }, "evidence": [ { "claim_id": "claim-lassen-trail-conditions-recheck", "evidence_id": "evidence-lassen-trail-conditions-recheck", "notes": "", "observation_id": "observation-nps-lassen-trail-conditions-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "NPS publishes dated, area-specific trail status, mileage, difficulty, parking notes, snow, bridge, and Dixie Fire impacts and warns that trail status does not establish road or park-wide access.", "observation_id": "observation-nps-lassen-trail-conditions-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T03:30:00+00:00", "source_id": "source-nps-lassen-trail-conditions" } ], "sources": [ { "locator": "https://www.nps.gov/lavo/planyourvisit/trail-conditions.htm", "publisher": "National Park Service", "source_id": "source-nps-lassen-trail-conditions" } ], "subject": { "entity_id": "park-lassen-volcanic-national-park", "kind": "national_park", "name": "Lassen Volcanic National Park" } }, { "claim": { "claim_id": "claim-cinder-cone-route-detail", "evidence_ids": [ "evidence-cinder-cone-route-detail" ], "predicate": "published_route_description", "spatial_scope_ids": [ "scope-route-cinder-cone-trail" ], "subject_id": "route-cinder-cone-trail", "temporal_scope": null, "value": { "base_fork_miles_from_trailhead": 1.2, "base_round_trip_miles": 2.4, "crater_trail_is_additional": true, "route_to_summit": "take the left/south trail at the base fork and continue to the top", "summit_round_trip_miles": 4 } }, "evidence": [ { "claim_id": "claim-cinder-cone-route-detail", "evidence_id": "evidence-cinder-cone-route-detail", "notes": "", "observation_id": "observation-nps-lassen-cinder-cone-place-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "NPS describes a 2.4-mile round trip to the cone base and a four-mile round trip to the summit. At 1.2 miles the trail reaches a fork at the base; hikers take the left/south trail, circle toward the south side, and continue to the top. An additional separate trail continues into the crater. The trailhead is near the Butte Lake boat ramp, and current access and trail conditions require recheck.", "observation_id": "observation-nps-lassen-cinder-cone-place-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T16:00:00+00:00", "source_id": "source-nps-lassen-cinder-cone-place" } ], "sources": [ { "locator": "https://www.nps.gov/places/cinder_cone.htm", "publisher": "National Park Service", "source_id": "source-nps-lassen-cinder-cone-place" } ], "subject": { "entity_id": "route-cinder-cone-trail", "kind": "route", "name": "Cinder Cone Trail" } }, { "claim": { "claim_id": "claim-cinder-cone-trail-profile", "evidence_ids": [ "evidence-cinder-cone-trail-profile" ], "predicate": "published_route_profile", "spatial_scope_ids": [ "scope-route-cinder-cone-trail" ], "subject_id": "route-cinder-cone-trail", "temporal_scope": null, "value": { "elevation_change_ft": 846, "elevation_range_ft": [ 6061, 6907 ], "round_trip_miles": 4, "round_trip_time_hours": 3 } }, "evidence": [ { "claim_id": "claim-cinder-cone-trail-profile", "evidence_id": "evidence-cinder-cone-trail-profile", "notes": "", "observation_id": "observation-nps-lassen-cinder-cone-trail-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "Cinder Cone Trail starts at the Butte Lake parking area; it is a four-mile round trip taking about three hours with 846 feet of elevation change. The trailhead is southwest of the Butte Lake boat ramp.", "observation_id": "observation-nps-lassen-cinder-cone-trail-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T03:30:00+00:00", "source_id": "source-nps-lassen-cinder-cone-trail" } ], "sources": [ { "locator": "https://www.nps.gov/lavo/planyourvisit/hiking_cinder_cone2.htm", "publisher": "National Park Service", "source_id": "source-nps-lassen-cinder-cone-trail" } ], "subject": { "entity_id": "route-cinder-cone-trail", "kind": "route", "name": "Cinder Cone Trail" } }, { "claim": { "claim_id": "claim-cinder-cone-source-profile-variation", "evidence_ids": [ "evidence-cinder-cone-source-profile-variation", "evidence-cinder-cone-source-profile-variation-nps" ], "predicate": "source_profile_variation", "spatial_scope_ids": [ "scope-route-cinder-cone-trail" ], "subject_id": "route-cinder-cone-trail", "temporal_scope": null, "value": { "dataset_approach_to_base_miles": 1.24854719, "dataset_out_and_back_miles": 3.1659347, "dataset_trailhead_to_summit_approach_miles": 1.58296735, "nps_published_base_one_way_miles": 1.2, "nps_published_summit_round_trip_miles": 4, "resolution": "preserve both; do not infer which rim or crater circulation accounts for the difference" } }, "evidence": [ { "claim_id": "claim-cinder-cone-source-profile-variation", "evidence_id": "evidence-cinder-cone-source-profile-variation", "notes": "", "observation_id": "observation-usgs-topo-vector-cinder-cone-trails-20250729-20260923", "stance": "supports" }, { "claim_id": "claim-cinder-cone-source-profile-variation", "evidence_id": "evidence-cinder-cone-source-profile-variation-nps", "notes": "", "observation_id": "observation-nps-lassen-cinder-cone-place-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "The official USGS Topo Vector trail layer connects the NPS Cinder Cone trailhead coordinate to the cone base with one Nobles Emigrant Trail feature and one Butte Lake To Snag Lake Trail feature, then connects the base to the summit approach with one Cinder Cone Trail feature. Twenty-two additional Cinder Cone Trail features form branched rim, crater, and other-side topology whose visitor roles are not uniquely named in the dataset. Dataset publication warns that temporal changes may have occurred.", "observation_id": "observation-usgs-topo-vector-cinder-cone-trails-20250729-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T16:00:00+00:00", "source_id": "source-usgs-topo-vector-prospect-peak-20250729" }, { "artifact_refs": [], "content": "NPS describes a 2.4-mile round trip to the cone base and a four-mile round trip to the summit. At 1.2 miles the trail reaches a fork at the base; hikers take the left/south trail, circle toward the south side, and continue to the top. An additional separate trail continues into the crater. The trailhead is near the Butte Lake boat ramp, and current access and trail conditions require recheck.", "observation_id": "observation-nps-lassen-cinder-cone-place-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T16:00:00+00:00", "source_id": "source-nps-lassen-cinder-cone-place" } ], "sources": [ { "locator": "https://prd-tnm.s3.amazonaws.com/StagedProducts/TopoMapVector/CA/GPKG/VECTOR_Prospect_Peak_CA_7_5_Min_GPKG.zip", "publisher": "U.S. Geological Survey", "source_id": "source-usgs-topo-vector-prospect-peak-20250729" }, { "locator": "https://www.nps.gov/places/cinder_cone.htm", "publisher": "National Park Service", "source_id": "source-nps-lassen-cinder-cone-place" } ], "subject": { "entity_id": "route-cinder-cone-trail", "kind": "route", "name": "Cinder Cone Trail" } } ], "entity": { "entity_id": "route-cinder-cone-trail", "kind": "route", "name": "Cinder Cone Trail" }, "gap_details": [ { "claims": [ { "claim": { "claim_id": "claim-cinder-cone-source-profile-variation", "evidence_ids": [ "evidence-cinder-cone-source-profile-variation", "evidence-cinder-cone-source-profile-variation-nps" ], "predicate": "source_profile_variation", "spatial_scope_ids": [ "scope-route-cinder-cone-trail" ], "subject_id": "route-cinder-cone-trail", "temporal_scope": null, "value": { "dataset_approach_to_base_miles": 1.24854719, "dataset_out_and_back_miles": 3.1659347, "dataset_trailhead_to_summit_approach_miles": 1.58296735, "nps_published_base_one_way_miles": 1.2, "nps_published_summit_round_trip_miles": 4, "resolution": "preserve both; do not infer which rim or crater circulation accounts for the difference" } }, "evidence": [ { "claim_id": "claim-cinder-cone-source-profile-variation", "evidence_id": "evidence-cinder-cone-source-profile-variation", "notes": "", "observation_id": "observation-usgs-topo-vector-cinder-cone-trails-20250729-20260923", "stance": "supports" }, { "claim_id": "claim-cinder-cone-source-profile-variation", "evidence_id": "evidence-cinder-cone-source-profile-variation-nps", "notes": "", "observation_id": "observation-nps-lassen-cinder-cone-place-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "The official USGS Topo Vector trail layer connects the NPS Cinder Cone trailhead coordinate to the cone base with one Nobles Emigrant Trail feature and one Butte Lake To Snag Lake Trail feature, then connects the base to the summit approach with one Cinder Cone Trail feature. Twenty-two additional Cinder Cone Trail features form branched rim, crater, and other-side topology whose visitor roles are not uniquely named in the dataset. Dataset publication warns that temporal changes may have occurred.", "observation_id": "observation-usgs-topo-vector-cinder-cone-trails-20250729-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T16:00:00+00:00", "source_id": "source-usgs-topo-vector-prospect-peak-20250729" }, { "artifact_refs": [], "content": "NPS describes a 2.4-mile round trip to the cone base and a four-mile round trip to the summit. At 1.2 miles the trail reaches a fork at the base; hikers take the left/south trail, circle toward the south side, and continue to the top. An additional separate trail continues into the crater. The trailhead is near the Butte Lake boat ramp, and current access and trail conditions require recheck.", "observation_id": "observation-nps-lassen-cinder-cone-place-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T16:00:00+00:00", "source_id": "source-nps-lassen-cinder-cone-place" } ], "sources": [ { "locator": "https://prd-tnm.s3.amazonaws.com/StagedProducts/TopoMapVector/CA/GPKG/VECTOR_Prospect_Peak_CA_7_5_Min_GPKG.zip", "publisher": "U.S. Geological Survey", "source_id": "source-usgs-topo-vector-prospect-peak-20250729" }, { "locator": "https://www.nps.gov/places/cinder_cone.htm", "publisher": "National Park Service", "source_id": "source-nps-lassen-cinder-cone-place" } ] } ], "entities": [ { "entity_id": "peak-cinder-cone", "kind": "peak", "name": "Cinder Cone" }, { "entity_id": "route-cinder-cone-trail", "kind": "route", "name": "Cinder Cone Trail" } ], "history": [ { "action": "ADD", "change_set_id": "wp-20260923-lassen-cinder-cone-route-graph", "evidence_refs": [ "evidence-cinder-trailhead-nobles-junction", "evidence-cinder-nobles-junction-base-fork", "evidence-cinder-base-fork-summit", "evidence-cinder-cone-official-trailhead-coordinate", "evidence-cinder-cone-route-detail", "evidence-cinder-cone-source-profile-variation", "evidence-cinder-cone-source-profile-variation-nps" ], "knowledge_gap_refs": [ "gap-lassen-cinder-rim-crater-circulation", "gap-lassen-cinder-source-profile-variation", "gap-lassen-specific-route-topology" ], "path": "canonical/v0/gaps/gap-lassen-cinder-rim-crater-circulation.json", "reason": "Publish the official distance-bearing Butte Lake-to-Cinder Cone summit approach while preserving unresolved rim and crater branch roles.", "record_id": "gap-lassen-cinder-rim-crater-circulation", "record_type": "gap", "summary": "Add the exact official Cinder Cone summit approach with trailhead geometry and explicit rim/crater uncertainty." } ], "navigation": { "next_id": "gap-lassen-cinder-source-profile-variation", "position": 228, "previous_id": "gap-lassen-campground-site-details", "total": 299 }, "observations": [ { "artifact_refs": [], "content": "NPS describes a 2.4-mile round trip to the cone base and a four-mile round trip to the summit. At 1.2 miles the trail reaches a fork at the base; hikers take the left/south trail, circle toward the south side, and continue to the top. An additional separate trail continues into the crater. The trailhead is near the Butte Lake boat ramp, and current access and trail conditions require recheck.", "observation_id": "observation-nps-lassen-cinder-cone-place-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T16:00:00+00:00", "source_id": "source-nps-lassen-cinder-cone-place" }, { "artifact_refs": [], "content": "The official USGS Topo Vector trail layer connects the NPS Cinder Cone trailhead coordinate to the cone base with one Nobles Emigrant Trail feature and one Butte Lake To Snag Lake Trail feature, then connects the base to the summit approach with one Cinder Cone Trail feature. Twenty-two additional Cinder Cone Trail features form branched rim, crater, and other-side topology whose visitor roles are not uniquely named in the dataset. Dataset publication warns that temporal changes may have occurred.", "observation_id": "observation-usgs-topo-vector-cinder-cone-trails-20250729-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T16:00:00+00:00", "source_id": "source-usgs-topo-vector-prospect-peak-20250729" } ], "record": { "gap_id": "gap-lassen-cinder-rim-crater-circulation", "question": "Which exact Cinder Cone vector branches represent the recommended summit circulation, rim paths, and separate crater descent?", "reason": "The official dataset preserves 22 additional Cinder Cone Trail features beyond the selected trailhead-to-summit approach. They form nested and parallel rim, crater, and other-side branches, but neither the feature attributes nor the NPS prose uniquely assigns every atomic feature to a visitor role. Wayproof preserves the complete approach and does not guess the remaining circuit.", "related_ids": [ "route-cinder-cone-trail", "peak-cinder-cone", "claim-cinder-cone-source-profile-variation" ] }, "record_type": "gap", "related_records": [ { "record": { "entity_id": "route-cinder-cone-trail", "kind": "route", "name": "Cinder Cone Trail" }, "record_id": "route-cinder-cone-trail", "record_type": "entity" }, { "record": { "entity_id": "peak-cinder-cone", "kind": "peak", "name": "Cinder Cone" }, "record_id": "peak-cinder-cone", "record_type": "entity" }, { "record": { "claim_id": "claim-cinder-cone-source-profile-variation", "evidence_ids": [ "evidence-cinder-cone-source-profile-variation", "evidence-cinder-cone-source-profile-variation-nps" ], "predicate": "source_profile_variation", "spatial_scope_ids": [ "scope-route-cinder-cone-trail" ], "subject_id": "route-cinder-cone-trail", "temporal_scope": null, "value": { "dataset_approach_to_base_miles": 1.24854719, "dataset_out_and_back_miles": 3.1659347, "dataset_trailhead_to_summit_approach_miles": 1.58296735, "nps_published_base_one_way_miles": 1.2, "nps_published_summit_round_trip_miles": 4, "resolution": "preserve both; do not infer which rim or crater circulation accounts for the difference" } }, "record_id": "claim-cinder-cone-source-profile-variation", "record_type": "claim" } ], "sources": [ { "locator": "https://www.nps.gov/places/cinder_cone.htm", "publisher": "National Park Service", "source_id": "source-nps-lassen-cinder-cone-place" }, { "locator": "https://prd-tnm.s3.amazonaws.com/StagedProducts/TopoMapVector/CA/GPKG/VECTOR_Prospect_Peak_CA_7_5_Min_GPKG.zip", "publisher": "U.S. Geological Survey", "source_id": "source-usgs-topo-vector-prospect-peak-20250729" } ] }, { "claims": [ { "claim": { "claim_id": "claim-cinder-cone-source-profile-variation", "evidence_ids": [ "evidence-cinder-cone-source-profile-variation", "evidence-cinder-cone-source-profile-variation-nps" ], "predicate": "source_profile_variation", "spatial_scope_ids": [ "scope-route-cinder-cone-trail" ], "subject_id": "route-cinder-cone-trail", "temporal_scope": null, "value": { "dataset_approach_to_base_miles": 1.24854719, "dataset_out_and_back_miles": 3.1659347, "dataset_trailhead_to_summit_approach_miles": 1.58296735, "nps_published_base_one_way_miles": 1.2, "nps_published_summit_round_trip_miles": 4, "resolution": "preserve both; do not infer which rim or crater circulation accounts for the difference" } }, "evidence": [ { "claim_id": "claim-cinder-cone-source-profile-variation", "evidence_id": "evidence-cinder-cone-source-profile-variation", "notes": "", "observation_id": "observation-usgs-topo-vector-cinder-cone-trails-20250729-20260923", "stance": "supports" }, { "claim_id": "claim-cinder-cone-source-profile-variation", "evidence_id": "evidence-cinder-cone-source-profile-variation-nps", "notes": "", "observation_id": "observation-nps-lassen-cinder-cone-place-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "The official USGS Topo Vector trail layer connects the NPS Cinder Cone trailhead coordinate to the cone base with one Nobles Emigrant Trail feature and one Butte Lake To Snag Lake Trail feature, then connects the base to the summit approach with one Cinder Cone Trail feature. Twenty-two additional Cinder Cone Trail features form branched rim, crater, and other-side topology whose visitor roles are not uniquely named in the dataset. Dataset publication warns that temporal changes may have occurred.", "observation_id": "observation-usgs-topo-vector-cinder-cone-trails-20250729-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T16:00:00+00:00", "source_id": "source-usgs-topo-vector-prospect-peak-20250729" }, { "artifact_refs": [], "content": "NPS describes a 2.4-mile round trip to the cone base and a four-mile round trip to the summit. At 1.2 miles the trail reaches a fork at the base; hikers take the left/south trail, circle toward the south side, and continue to the top. An additional separate trail continues into the crater. The trailhead is near the Butte Lake boat ramp, and current access and trail conditions require recheck.", "observation_id": "observation-nps-lassen-cinder-cone-place-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T16:00:00+00:00", "source_id": "source-nps-lassen-cinder-cone-place" } ], "sources": [ { "locator": "https://prd-tnm.s3.amazonaws.com/StagedProducts/TopoMapVector/CA/GPKG/VECTOR_Prospect_Peak_CA_7_5_Min_GPKG.zip", "publisher": "U.S. Geological Survey", "source_id": "source-usgs-topo-vector-prospect-peak-20250729" }, { "locator": "https://www.nps.gov/places/cinder_cone.htm", "publisher": "National Park Service", "source_id": "source-nps-lassen-cinder-cone-place" } ] } ], "entities": [ { "entity_id": "route-cinder-cone-trail", "kind": "route", "name": "Cinder Cone Trail" } ], "history": [ { "action": "ADD", "change_set_id": "wp-20260923-lassen-cinder-cone-route-graph", "evidence_refs": [ "evidence-cinder-trailhead-nobles-junction", "evidence-cinder-nobles-junction-base-fork", "evidence-cinder-base-fork-summit", "evidence-cinder-cone-official-trailhead-coordinate", "evidence-cinder-cone-route-detail", "evidence-cinder-cone-source-profile-variation", "evidence-cinder-cone-source-profile-variation-nps" ], "knowledge_gap_refs": [ "gap-lassen-cinder-rim-crater-circulation", "gap-lassen-cinder-source-profile-variation", "gap-lassen-specific-route-topology" ], "path": "canonical/v0/gaps/gap-lassen-cinder-source-profile-variation.json", "reason": "Publish the official distance-bearing Butte Lake-to-Cinder Cone summit approach while preserving unresolved rim and crater branch roles.", "record_id": "gap-lassen-cinder-source-profile-variation", "record_type": "gap", "summary": "Add the exact official Cinder Cone summit approach with trailhead geometry and explicit rim/crater uncertainty." } ], "navigation": { "next_id": "gap-lassen-current-conditions", "position": 229, "previous_id": "gap-lassen-cinder-rim-crater-circulation", "total": 299 }, "observations": [ { "artifact_refs": [], "content": "NPS describes a 2.4-mile round trip to the cone base and a four-mile round trip to the summit. At 1.2 miles the trail reaches a fork at the base; hikers take the left/south trail, circle toward the south side, and continue to the top. An additional separate trail continues into the crater. The trailhead is near the Butte Lake boat ramp, and current access and trail conditions require recheck.", "observation_id": "observation-nps-lassen-cinder-cone-place-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T16:00:00+00:00", "source_id": "source-nps-lassen-cinder-cone-place" }, { "artifact_refs": [], "content": "The official USGS Topo Vector trail layer connects the NPS Cinder Cone trailhead coordinate to the cone base with one Nobles Emigrant Trail feature and one Butte Lake To Snag Lake Trail feature, then connects the base to the summit approach with one Cinder Cone Trail feature. Twenty-two additional Cinder Cone Trail features form branched rim, crater, and other-side topology whose visitor roles are not uniquely named in the dataset. Dataset publication warns that temporal changes may have occurred.", "observation_id": "observation-usgs-topo-vector-cinder-cone-trails-20250729-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T16:00:00+00:00", "source_id": "source-usgs-topo-vector-prospect-peak-20250729" } ], "record": { "gap_id": "gap-lassen-cinder-source-profile-variation", "question": "Why does the official four-mile summit round trip exceed twice the selected official dataset approach distance?", "reason": "NPS publishes a four-mile summit round trip, while the three selected official vector features total 1.58296735 miles one way. The difference may reflect rounding or additional rim/crater circulation, but the sources do not state how it is allocated. Consumers should preserve both profiles rather than force equality.", "related_ids": [ "route-cinder-cone-trail", "claim-cinder-cone-source-profile-variation" ] }, "record_type": "gap", "related_records": [ { "record": { "entity_id": "route-cinder-cone-trail", "kind": "route", "name": "Cinder Cone Trail" }, "record_id": "route-cinder-cone-trail", "record_type": "entity" }, { "record": { "claim_id": "claim-cinder-cone-source-profile-variation", "evidence_ids": [ "evidence-cinder-cone-source-profile-variation", "evidence-cinder-cone-source-profile-variation-nps" ], "predicate": "source_profile_variation", "spatial_scope_ids": [ "scope-route-cinder-cone-trail" ], "subject_id": "route-cinder-cone-trail", "temporal_scope": null, "value": { "dataset_approach_to_base_miles": 1.24854719, "dataset_out_and_back_miles": 3.1659347, "dataset_trailhead_to_summit_approach_miles": 1.58296735, "nps_published_base_one_way_miles": 1.2, "nps_published_summit_round_trip_miles": 4, "resolution": "preserve both; do not infer which rim or crater circulation accounts for the difference" } }, "record_id": "claim-cinder-cone-source-profile-variation", "record_type": "claim" } ], "sources": [ { "locator": "https://www.nps.gov/places/cinder_cone.htm", "publisher": "National Park Service", "source_id": "source-nps-lassen-cinder-cone-place" }, { "locator": "https://prd-tnm.s3.amazonaws.com/StagedProducts/TopoMapVector/CA/GPKG/VECTOR_Prospect_Peak_CA_7_5_Min_GPKG.zip", "publisher": "U.S. Geological Survey", "source_id": "source-usgs-topo-vector-prospect-peak-20250729" } ] }, { "claims": [ { "claim": { "claim_id": "claim-lassen-trail-conditions-recheck", "evidence_ids": [ "evidence-lassen-trail-conditions-recheck" ], "predicate": "pretrip_trail_conditions_recheck", "spatial_scope_ids": [ "scope-route-lassen-peak-trail", "scope-route-brokeoff-mountain-trail", "scope-route-cinder-cone-trail", "scope-route-bumpass-hell-trail", "scope-route-devils-kitchen-trail", "scope-route-boiling-springs-lake-trail", "scope-route-terminal-geyser-trail" ], "subject_id": "park-lassen-volcanic-national-park", "temporal_scope": null, "value": { "required": true, "topics": [ "trail_status", "road_access", "snow", "bridges", "burned_area_hazards", "parking_limits" ], "warning": "trail status alone does not establish road or park-wide access" } }, "evidence": [ { "claim_id": "claim-lassen-trail-conditions-recheck", "evidence_id": "evidence-lassen-trail-conditions-recheck", "notes": "", "observation_id": "observation-nps-lassen-trail-conditions-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "NPS publishes dated, area-specific trail status, mileage, difficulty, parking notes, snow, bridge, and Dixie Fire impacts and warns that trail status does not establish road or park-wide access.", "observation_id": "observation-nps-lassen-trail-conditions-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T03:30:00+00:00", "source_id": "source-nps-lassen-trail-conditions" } ], "sources": [ { "locator": "https://www.nps.gov/lavo/planyourvisit/trail-conditions.htm", "publisher": "National Park Service", "source_id": "source-nps-lassen-trail-conditions" } ] } ], "entities": [ { "entity_id": "park-lassen-volcanic-national-park", "kind": "national_park", "name": "Lassen Volcanic National Park" }, { "entity_id": "route-devils-kitchen-trail", "kind": "route", "name": "Devils Kitchen Trail" }, { "entity_id": "route-terminal-geyser-trail", "kind": "route", "name": "Terminal Geyser Trail" } ], "history": [ { "action": "ADD", "change_set_id": "wp-20260922-lassen-nps-foundation", "evidence_refs": [], "knowledge_gap_refs": [], "path": "canonical/v0/gaps/gap-lassen-specific-route-topology.json", "reason": "Publish a bounded source-backed Lassen Volcanic National Park planning foundation from current official NPS and linked first-party operational sources.", "record_id": "gap-lassen-specific-route-topology", "record_type": "gap", "summary": "Add a bounded official-source Lassen Volcanic National Park planning foundation with explicit source conflict, operational rechecks, and deferred-detail gaps." }, { "action": "REPLACE", "change_set_id": "wp-20260923-lassen-boiling-springs-route-graph", "evidence_refs": [ "evidence-lassen-boiling-trailhead-dream", "evidence-lassen-boiling-dream-hot-springs-west", "evidence-lassen-boiling-hot-springs-west-pct", "evidence-lassen-boiling-pct-link", "evidence-lassen-boiling-pct-approach", "evidence-lassen-boiling-west-approach", "evidence-lassen-boiling-lake-southeast", "evidence-lassen-boiling-southeast-northeast", "evidence-lassen-boiling-northeast-north", "evidence-lassen-boiling-north-lake", "evidence-lassen-boiling-pct-north", "evidence-lassen-boiling-north-connector" ], "knowledge_gap_refs": [ "gap-lassen-specific-route-topology" ], "path": "canonical/v0/gaps/gap-lassen-specific-route-topology.json", "reason": "Publish the official distance-bearing Warner Valley approach and Boiling Springs Lake circuit without flattening its shared and parallel branches.", "record_id": "gap-lassen-specific-route-topology", "record_type": "gap", "summary": "Add the exact official Boiling Springs Lake approach and circuit graph while preserving shared and parallel topology." }, { "action": "REPLACE", "change_set_id": "wp-20260923-lassen-bumpass-route-graph", "evidence_refs": [ "evidence-route-segment-bumpass-trailhead-basin-approach", "evidence-route-segment-bumpass-basin-approach-entry", "evidence-bumpass-hell-basin-route-description", "evidence-bumpass-hell-source-profile-variations" ], "knowledge_gap_refs": [ "gap-lassen-bumpass-full-basin-circulation", "gap-lassen-bumpass-source-profile-conflicts", "gap-lassen-specific-route-topology" ], "path": "canonical/v0/gaps/gap-lassen-specific-route-topology.json", "reason": "Publish the official distance-bearing Bumpass Hell parking-to-basin approach, while preserving boardwalk, alternate-route, and source-profile uncertainty.", "record_id": "gap-lassen-specific-route-topology", "record_type": "gap", "summary": "Add the official distance-bearing Bumpass Hell parking-to-basin approach, preserve source-page profile conflicts, and defer boardwalk and alternate-route choices explicitly." }, { "action": "REPLACE", "change_set_id": "wp-20260923-lassen-cinder-cone-route-graph", "evidence_refs": [ "evidence-cinder-trailhead-nobles-junction", "evidence-cinder-nobles-junction-base-fork", "evidence-cinder-base-fork-summit", "evidence-cinder-cone-official-trailhead-coordinate", "evidence-cinder-cone-route-detail", "evidence-cinder-cone-source-profile-variation", "evidence-cinder-cone-source-profile-variation-nps" ], "knowledge_gap_refs": [ "gap-lassen-cinder-rim-crater-circulation", "gap-lassen-cinder-source-profile-variation", "gap-lassen-specific-route-topology" ], "path": "canonical/v0/gaps/gap-lassen-specific-route-topology.json", "reason": "Publish the official distance-bearing Butte Lake-to-Cinder Cone summit approach while preserving unresolved rim and crater branch roles.", "record_id": "gap-lassen-specific-route-topology", "record_type": "gap", "summary": "Add the exact official Cinder Cone summit approach with trailhead geometry and explicit rim/crater uncertainty." }, { "action": "REPLACE", "change_set_id": "wp-20260923-lassen-destinations-route-depth", "evidence_refs": [], "knowledge_gap_refs": [], "path": "canonical/v0/gaps/gap-lassen-specific-route-topology.json", "reason": "Publish official-source Lassen destination identities, named hiking routes, evidenced starts, route profiles, and route-condition rechecks without inventing segment topology.", "record_id": "gap-lassen-specific-route-topology", "record_type": "gap", "summary": "Add official-source Lassen destinations, named hiking routes, evidenced trailheads, route profiles, and route-condition rechecks while preserving the remaining segment-topology gap." }, { "action": "REPLACE", "change_set_id": "wp-20260923-lassen-usgs-route-segments", "evidence_refs": [ "evidence-route-segment-lassen-peak-trailhead-summit", "evidence-route-segment-brokeoff-trailhead-summit" ], "knowledge_gap_refs": [ "gap-lassen-specific-route-topology" ], "path": "canonical/v0/gaps/gap-lassen-specific-route-topology.json", "reason": "Publish official USGS/NPS physical trail-segment topology and source-field distance for the unbranched Lassen Peak and Brokeoff Mountain routes.", "record_id": "gap-lassen-specific-route-topology", "record_type": "gap", "summary": "Add official USGS/NPS source-field distances and complete bidirectional segment graphs for Lassen Peak Trail and Brokeoff Mountain Trail while preserving the branched-route reconciliation gap." }, { "action": "REPLACE", "change_set_id": "wp-20260923-lassen-warner-valley-route-graph", "evidence_refs": [], "knowledge_gap_refs": [], "path": "canonical/v0/gaps/gap-lassen-specific-route-topology.json", "reason": "Publish an evidence-bounded Warner Valley segment graph for Devils Kitchen and Terminal Geyser while preserving unprinted leg distances as unknown.", "record_id": "gap-lassen-specific-route-topology", "record_type": "gap", "summary": "Add the shared Warner Valley segment topology for Devils Kitchen and Terminal Geyser, preserve printed cumulative milepoints, and narrow the remaining Lassen route-topology gap." } ], "navigation": { "next_id": "gap-lassen-wilderness-zone-details", "position": 231, "previous_id": "gap-lassen-current-conditions", "total": 299 }, "observations": [ { "artifact_refs": [], "content": "NPS publishes dated, area-specific trail status, mileage, difficulty, parking notes, snow, bridge, and Dixie Fire impacts and warns that trail status does not establish road or park-wide access.", "observation_id": "observation-nps-lassen-trail-conditions-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T03:30:00+00:00", "source_id": "source-nps-lassen-trail-conditions" } ], "record": { "gap_id": "gap-lassen-specific-route-topology", "question": "What exact segment traversal connects each remaining published Lassen trailhead and destination, including shared junctions and alternatives?", "reason": "Wayproof publishes complete, bidirectional, distance-bearing trailhead-to-summit approaches for Lassen Peak and Brokeoff Mountain, plus a bounded summit approach for Cinder Cone; a connected distance-bearing parking-to-basin-entry graph for Bumpass Hell; and the atomic shared approach plus around-lake network for Boiling Springs Lake. Cinder Cone rim/crater circulation and the full Bumpass basin circulation remain explicit route-specific gaps. It also publishes ordered, bidirectional Warner Valley topology for Devils Kitchen and Terminal Geyser, but atomic leg distances remain unknown where route descriptions print only cumulative positions. These remaining questions still require route-specific reconciliation.", "related_ids": [ "claim-lassen-trail-conditions-recheck", "route-devils-kitchen-trail", "route-terminal-geyser-trail" ] }, "record_type": "gap", "related_records": [ { "record": { "claim_id": "claim-lassen-trail-conditions-recheck", "evidence_ids": [ "evidence-lassen-trail-conditions-recheck" ], "predicate": "pretrip_trail_conditions_recheck", "spatial_scope_ids": [ "scope-route-lassen-peak-trail", "scope-route-brokeoff-mountain-trail", "scope-route-cinder-cone-trail", "scope-route-bumpass-hell-trail", "scope-route-devils-kitchen-trail", "scope-route-boiling-springs-lake-trail", "scope-route-terminal-geyser-trail" ], "subject_id": "park-lassen-volcanic-national-park", "temporal_scope": null, "value": { "required": true, "topics": [ "trail_status", "road_access", "snow", "bridges", "burned_area_hazards", "parking_limits" ], "warning": "trail status alone does not establish road or park-wide access" } }, "record_id": "claim-lassen-trail-conditions-recheck", "record_type": "claim" }, { "record": { "entity_id": "route-devils-kitchen-trail", "kind": "route", "name": "Devils Kitchen Trail" }, "record_id": "route-devils-kitchen-trail", "record_type": "entity" }, { "record": { "entity_id": "route-terminal-geyser-trail", "kind": "route", "name": "Terminal Geyser Trail" }, "record_id": "route-terminal-geyser-trail", "record_type": "entity" } ], "sources": [ { "locator": "https://www.nps.gov/lavo/planyourvisit/trail-conditions.htm", "publisher": "National Park Service", "source_id": "source-nps-lassen-trail-conditions" } ] } ], "history": [ { "action": "ADD", "change_set_id": "wp-20260923-lassen-destinations-route-depth", "evidence_refs": [], "knowledge_gap_refs": [], "path": "canonical/v0/entities/route-cinder-cone-trail.json", "reason": "Publish official-source Lassen destination identities, named hiking routes, evidenced starts, route profiles, and route-condition rechecks without inventing segment topology.", "record_id": "route-cinder-cone-trail", "record_type": "entity", "summary": "Add official-source Lassen destinations, named hiking routes, evidenced trailheads, route profiles, and route-condition rechecks while preserving the remaining segment-topology gap." }, { "action": "REPLACE", "change_set_id": "wp-20260923-cinder-route-geometry-pilot", "evidence_refs": [ "evidence-route-segment-cinder-base-fork-summit-nps-geometry" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-route-segment-cinder-base-fork-summit.json", "reason": "Reference the reviewed NPS source-geometry snapshot for the published Cinder Cone approach so consumers can reproduce its map without live network access.", "record_id": "claim-route-segment-cinder-base-fork-summit", "record_type": "claim", "summary": "Publish the reviewed Cinder Cone route-geometry snapshot references for reproducible maps." }, { "action": "ADD", "change_set_id": "wp-20260923-lassen-cinder-cone-route-graph", "evidence_refs": [ "evidence-cinder-trailhead-nobles-junction", "evidence-cinder-nobles-junction-base-fork", "evidence-cinder-base-fork-summit", "evidence-cinder-cone-official-trailhead-coordinate", "evidence-cinder-cone-route-detail", "evidence-cinder-cone-source-profile-variation", "evidence-cinder-cone-source-profile-variation-nps" ], "knowledge_gap_refs": [ "gap-lassen-cinder-rim-crater-circulation", "gap-lassen-cinder-source-profile-variation", "gap-lassen-specific-route-topology" ], "path": "canonical/v0/claims/claim-route-segment-cinder-base-fork-summit.json", "reason": "Publish the official distance-bearing Butte Lake-to-Cinder Cone summit approach while preserving unresolved rim and crater branch roles.", "record_id": "claim-route-segment-cinder-base-fork-summit", "record_type": "claim", "summary": "Add the exact official Cinder Cone summit approach with trailhead geometry and explicit rim/crater uncertainty." }, { "action": "REPLACE", "change_set_id": "wp-20260923-cinder-route-geometry-pilot", "evidence_refs": [ "evidence-route-segment-cinder-nobles-junction-base-fork-nps-geometry" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-route-segment-cinder-nobles-junction-base-fork.json", "reason": "Reference the reviewed NPS source-geometry snapshot for the published Cinder Cone approach so consumers can reproduce its map without live network access.", "record_id": "claim-route-segment-cinder-nobles-junction-base-fork", "record_type": "claim", "summary": "Publish the reviewed Cinder Cone route-geometry snapshot references for reproducible maps." }, { "action": "ADD", "change_set_id": "wp-20260923-lassen-cinder-cone-route-graph", "evidence_refs": [ "evidence-cinder-trailhead-nobles-junction", "evidence-cinder-nobles-junction-base-fork", "evidence-cinder-base-fork-summit", "evidence-cinder-cone-official-trailhead-coordinate", "evidence-cinder-cone-route-detail", "evidence-cinder-cone-source-profile-variation", "evidence-cinder-cone-source-profile-variation-nps" ], "knowledge_gap_refs": [ "gap-lassen-cinder-rim-crater-circulation", "gap-lassen-cinder-source-profile-variation", "gap-lassen-specific-route-topology" ], "path": "canonical/v0/claims/claim-route-segment-cinder-nobles-junction-base-fork.json", "reason": "Publish the official distance-bearing Butte Lake-to-Cinder Cone summit approach while preserving unresolved rim and crater branch roles.", "record_id": "claim-route-segment-cinder-nobles-junction-base-fork", "record_type": "claim", "summary": "Add the exact official Cinder Cone summit approach with trailhead geometry and explicit rim/crater uncertainty." }, { "action": "REPLACE", "change_set_id": "wp-20260923-cinder-route-geometry-pilot", "evidence_refs": [ "evidence-route-segment-cinder-trailhead-nobles-junction-nps-geometry" ], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-route-segment-cinder-trailhead-nobles-junction.json", "reason": "Reference the reviewed NPS source-geometry snapshot for the published Cinder Cone approach so consumers can reproduce its map without live network access.", "record_id": "claim-route-segment-cinder-trailhead-nobles-junction", "record_type": "claim", "summary": "Publish the reviewed Cinder Cone route-geometry snapshot references for reproducible maps." }, { "action": "ADD", "change_set_id": "wp-20260923-lassen-cinder-cone-route-graph", "evidence_refs": [ "evidence-cinder-trailhead-nobles-junction", "evidence-cinder-nobles-junction-base-fork", "evidence-cinder-base-fork-summit", "evidence-cinder-cone-official-trailhead-coordinate", "evidence-cinder-cone-route-detail", "evidence-cinder-cone-source-profile-variation", "evidence-cinder-cone-source-profile-variation-nps" ], "knowledge_gap_refs": [ "gap-lassen-cinder-rim-crater-circulation", "gap-lassen-cinder-source-profile-variation", "gap-lassen-specific-route-topology" ], "path": "canonical/v0/claims/claim-route-segment-cinder-trailhead-nobles-junction.json", "reason": "Publish the official distance-bearing Butte Lake-to-Cinder Cone summit approach while preserving unresolved rim and crater branch roles.", "record_id": "claim-route-segment-cinder-trailhead-nobles-junction", "record_type": "claim", "summary": "Add the exact official Cinder Cone summit approach with trailhead geometry and explicit rim/crater uncertainty." }, { "action": "ADD", "change_set_id": "wp-20260923-lassen-cinder-cone-route-graph", "evidence_refs": [ "evidence-cinder-trailhead-nobles-junction", "evidence-cinder-nobles-junction-base-fork", "evidence-cinder-base-fork-summit", "evidence-cinder-cone-official-trailhead-coordinate", "evidence-cinder-cone-route-detail", "evidence-cinder-cone-source-profile-variation", "evidence-cinder-cone-source-profile-variation-nps" ], "knowledge_gap_refs": [ "gap-lassen-cinder-rim-crater-circulation", "gap-lassen-cinder-source-profile-variation", "gap-lassen-specific-route-topology" ], "path": "canonical/v0/claims/claim-cinder-cone-official-trailhead-coordinate.json", "reason": "Publish the official distance-bearing Butte Lake-to-Cinder Cone summit approach while preserving unresolved rim and crater branch roles.", "record_id": "claim-cinder-cone-official-trailhead-coordinate", "record_type": "claim", "summary": "Add the exact official Cinder Cone summit approach with trailhead geometry and explicit rim/crater uncertainty." }, { "action": "ADD", "change_set_id": "wp-20260923-lassen-destinations-route-depth", "evidence_refs": [], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-lassen-trail-conditions-recheck.json", "reason": "Publish official-source Lassen destination identities, named hiking routes, evidenced starts, route profiles, and route-condition rechecks without inventing segment topology.", "record_id": "claim-lassen-trail-conditions-recheck", "record_type": "claim", "summary": "Add official-source Lassen destinations, named hiking routes, evidenced trailheads, route profiles, and route-condition rechecks while preserving the remaining segment-topology gap." }, { "action": "ADD", "change_set_id": "wp-20260923-lassen-cinder-cone-route-graph", "evidence_refs": [ "evidence-cinder-trailhead-nobles-junction", "evidence-cinder-nobles-junction-base-fork", "evidence-cinder-base-fork-summit", "evidence-cinder-cone-official-trailhead-coordinate", "evidence-cinder-cone-route-detail", "evidence-cinder-cone-source-profile-variation", "evidence-cinder-cone-source-profile-variation-nps" ], "knowledge_gap_refs": [ "gap-lassen-cinder-rim-crater-circulation", "gap-lassen-cinder-source-profile-variation", "gap-lassen-specific-route-topology" ], "path": "canonical/v0/claims/claim-cinder-cone-route-detail.json", "reason": "Publish the official distance-bearing Butte Lake-to-Cinder Cone summit approach while preserving unresolved rim and crater branch roles.", "record_id": "claim-cinder-cone-route-detail", "record_type": "claim", "summary": "Add the exact official Cinder Cone summit approach with trailhead geometry and explicit rim/crater uncertainty." }, { "action": "ADD", "change_set_id": "wp-20260923-lassen-destinations-route-depth", "evidence_refs": [], "knowledge_gap_refs": [], "path": "canonical/v0/claims/claim-cinder-cone-trail-profile.json", "reason": "Publish official-source Lassen destination identities, named hiking routes, evidenced starts, route profiles, and route-condition rechecks without inventing segment topology.", "record_id": "claim-cinder-cone-trail-profile", "record_type": "claim", "summary": "Add official-source Lassen destinations, named hiking routes, evidenced trailheads, route profiles, and route-condition rechecks while preserving the remaining segment-topology gap." }, { "action": "ADD", "change_set_id": "wp-20260923-lassen-cinder-cone-route-graph", "evidence_refs": [ "evidence-cinder-trailhead-nobles-junction", "evidence-cinder-nobles-junction-base-fork", "evidence-cinder-base-fork-summit", "evidence-cinder-cone-official-trailhead-coordinate", "evidence-cinder-cone-route-detail", "evidence-cinder-cone-source-profile-variation", "evidence-cinder-cone-source-profile-variation-nps" ], "knowledge_gap_refs": [ "gap-lassen-cinder-rim-crater-circulation", "gap-lassen-cinder-source-profile-variation", "gap-lassen-specific-route-topology" ], "path": "canonical/v0/claims/claim-cinder-cone-source-profile-variation.json", "reason": "Publish the official distance-bearing Butte Lake-to-Cinder Cone summit approach while preserving unresolved rim and crater branch roles.", "record_id": "claim-cinder-cone-source-profile-variation", "record_type": "claim", "summary": "Add the exact official Cinder Cone summit approach with trailhead geometry and explicit rim/crater uncertainty." } ], "journey": [ { "claims": [ { "claim": { "claim_id": "claim-lassen-current-conditions-recheck", "evidence_ids": [ "evidence-lassen-current-conditions-recheck" ], "predicate": "pretrip_current_conditions_recheck", "spatial_scope_ids": [ "scope-lassen-national-park" ], "subject_id": "park-lassen-volcanic-national-park", "temporal_scope": null, "value": { "required": true, "topics": [ "alerts_and_closures", "roads", "trails", "fire_and_smoke", "snow", "facilities" ] } }, "evidence": [ { "claim_id": "claim-lassen-current-conditions-recheck", "evidence_id": "evidence-lassen-current-conditions-recheck", "notes": "", "observation_id": "observation-nps-lassen-conditions-20260922", "stance": "supports" } ], "observations": [ { "artifact_refs": [], "content": "The current-conditions page is the operational source for alerts, roads, trails, fire and smoke, snow, facilities, and closures.", "observation_id": "observation-nps-lassen-conditions-20260922", "observed_at": null, "observer": "", "retrieved_at": "2026-09-22T19:00:00+00:00", "source_id": "source-nps-lassen-conditions" } ], "sources": [ { "locator": "https://www.nps.gov/lavo/planyourvisit/conditions.htm", "publisher": "National Park Service", "source_id": "source-nps-lassen-conditions" } ], "subject": { "entity_id": "park-lassen-volcanic-national-park", "kind": "national_park", "name": "Lassen Volcanic National Park" } } ], "entity": { "entity_id": "park-lassen-volcanic-national-park", "kind": "national_park", "name": "Lassen Volcanic National Park" }, "gaps": [ { "gap_id": "gap-lassen-current-conditions", "question": "What road, trail, fire, smoke, snow, facility, and area conditions will apply near departure?", "reason": "Dynamic operating conditions are intentionally not frozen; recheck the official NPS current-conditions page near departure.", "related_ids": [ "claim-lassen-current-conditions-recheck" ] } ], "relationships": [ { "evidence_ids": [ "evidence-cinder-cone-trail-profile" ], "object_id": "park-lassen-volcanic-national-park", "predicate": "traverses", "relationship_id": "relationship-route-cinder-cone-trail-traverses-lassen", "subject_id": "route-cinder-cone-trail", "temporal_scope": null } ], "role": "Traversed place" } ], "knowledge_gaps": [ { "gap_id": "gap-lassen-cinder-rim-crater-circulation", "question": "Which exact Cinder Cone vector branches represent the recommended summit circulation, rim paths, and separate crater descent?", "reason": "The official dataset preserves 22 additional Cinder Cone Trail features beyond the selected trailhead-to-summit approach. They form nested and parallel rim, crater, and other-side branches, but neither the feature attributes nor the NPS prose uniquely assigns every atomic feature to a visitor role. Wayproof preserves the complete approach and does not guess the remaining circuit.", "related_ids": [ "route-cinder-cone-trail", "peak-cinder-cone", "claim-cinder-cone-source-profile-variation" ] }, { "gap_id": "gap-lassen-cinder-source-profile-variation", "question": "Why does the official four-mile summit round trip exceed twice the selected official dataset approach distance?", "reason": "NPS publishes a four-mile summit round trip, while the three selected official vector features total 1.58296735 miles one way. The difference may reflect rounding or additional rim/crater circulation, but the sources do not state how it is allocated. 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It also publishes ordered, bidirectional Warner Valley topology for Devils Kitchen and Terminal Geyser, but atomic leg distances remain unknown where route descriptions print only cumulative positions. 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