{ "claims": [ { "claim": { "claim_id": "claim-route-segment-rock-creek-hilton-01", "evidence_ids": [ "evidence-route-segment-rock-creek-hilton-01" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-hilton-lakes-rock-creek" ], "subject_id": "route-segment-rock-creek-hilton-01", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{3684A093-14D3-4B83-8166-C9EA4DA55844}", "dataset_feature_name": "HILTON LAKES", "dataset_field": "lengthmiles", "distance_miles": 0.68140891, "distance_status": "known", "end_coordinate": { "latitude": 37.462589226225305, "longitude": -118.73733284592811 }, "geometry_snapshot": { "feature_id": "{3684A093-14D3-4B83-8166-C9EA4DA55844}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "2617", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.454945052278845, "longitude": -118.7410005282141 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-hilton-01", "evidence_id": "evidence-route-segment-rock-creek-hilton-01", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-hilton-02", "evidence_ids": [ "evidence-route-segment-rock-creek-hilton-02" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-hilton-lakes-rock-creek" ], "subject_id": "route-segment-rock-creek-hilton-02", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{0D7AB5CB-130D-4324-ADBB-130F6C614E6D}", "dataset_feature_name": "HILTON LAKES", "dataset_field": "lengthmiles", "distance_miles": 0.05947735, "distance_status": "known", "end_coordinate": { "latitude": 37.46306654289123, "longitude": -118.73680655530393 }, "geometry_snapshot": { "feature_id": "{0D7AB5CB-130D-4324-ADBB-130F6C614E6D}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "1641", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.462589226225305, "longitude": -118.73733284592811 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-hilton-02", "evidence_id": "evidence-route-segment-rock-creek-hilton-02", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-hilton-03", "evidence_ids": [ "evidence-route-segment-rock-creek-hilton-03" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-hilton-lakes-rock-creek" ], "subject_id": "route-segment-rock-creek-hilton-03", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{EB9E054A-F723-444D-B923-51058542C4C8}", "dataset_feature_name": "HILTON LAKES", "dataset_field": "lengthmiles", "distance_miles": 0.01534069, "distance_status": "known", "end_coordinate": { "latitude": 37.46314453664115, "longitude": -118.73654537092932 }, "geometry_snapshot": { "feature_id": "{EB9E054A-F723-444D-B923-51058542C4C8}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "2768", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.46306654289123, "longitude": -118.73680655530393 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-hilton-03", "evidence_id": "evidence-route-segment-rock-creek-hilton-03", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-hilton-04", "evidence_ids": [ "evidence-route-segment-rock-creek-hilton-04" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-hilton-lakes-rock-creek" ], "subject_id": "route-segment-rock-creek-hilton-04", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{864FA16B-E640-424C-A48E-66BA01FCE0A1}", "dataset_feature_name": "HILTON LAKES", "dataset_field": "lengthmiles", "distance_miles": 0.12022438, "distance_status": "known", "end_coordinate": { "latitude": 37.464205106431166, "longitude": -118.73490255009858 }, "geometry_snapshot": { "feature_id": "{864FA16B-E640-424C-A48E-66BA01FCE0A1}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "6618", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.46314453664115, "longitude": -118.73654537092932 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-hilton-04", "evidence_id": "evidence-route-segment-rock-creek-hilton-04", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-hilton-05", "evidence_ids": [ "evidence-route-segment-rock-creek-hilton-05" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-hilton-lakes-rock-creek" ], "subject_id": "route-segment-rock-creek-hilton-05", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{4511F5F5-B67F-4F85-B848-CCC702EBC2EC}", "dataset_feature_name": "HILTON LAKES", "dataset_field": "lengthmiles", "distance_miles": 3.0331486300000003, "distance_status": "known", "end_coordinate": { "latitude": 37.48616008764708, "longitude": -118.75095350840701 }, "geometry_snapshot": { "feature_id": "{4511F5F5-B67F-4F85-B848-CCC702EBC2EC}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "2767", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.464205106431166, "longitude": -118.73490255009858 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-hilton-05", "evidence_id": "evidence-route-segment-rock-creek-hilton-05", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-hilton-06", "evidence_ids": [ "evidence-route-segment-rock-creek-hilton-06" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-hilton-lakes-rock-creek" ], "subject_id": "route-segment-rock-creek-hilton-06", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{D012B603-FB10-4BC4-A69A-86CF6C4224D2}", "dataset_feature_name": "HILTON LAKES", "dataset_field": "lengthmiles", "distance_miles": 0.02063959, "distance_status": "known", "end_coordinate": { "latitude": 37.48635898868844, "longitude": -118.75094602611534 }, "geometry_snapshot": { "feature_id": "{D012B603-FB10-4BC4-A69A-86CF6C4224D2}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "2999", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.48616008764708, "longitude": -118.75095350840701 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-hilton-06", "evidence_id": "evidence-route-segment-rock-creek-hilton-06", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-hilton-07", "evidence_ids": [ "evidence-route-segment-rock-creek-hilton-07" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-hilton-lakes-rock-creek" ], "subject_id": "route-segment-rock-creek-hilton-07", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{26AC3638-FAF2-46F5-B148-E7975019CD93}", "dataset_feature_name": "HILTON LAKES", "dataset_field": "lengthmiles", "distance_miles": 0.03763446, "distance_status": "known", "end_coordinate": { "latitude": 37.48674083556284, "longitude": -118.75094726569864 }, "geometry_snapshot": { "feature_id": "{26AC3638-FAF2-46F5-B148-E7975019CD93}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "6546", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.48635898868844, "longitude": -118.75094602611534 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-hilton-07", "evidence_id": "evidence-route-segment-rock-creek-hilton-07", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-hilton-08", "evidence_ids": [ "evidence-route-segment-rock-creek-hilton-08" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-hilton-lakes-rock-creek" ], "subject_id": "route-segment-rock-creek-hilton-08", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{3516AF3D-8A4D-49DD-BE35-EE6E007DC4E5}", "dataset_feature_name": "HILTON LAKES", "dataset_field": "lengthmiles", "distance_miles": 0.11746828000000001, "distance_status": "known", "end_coordinate": { "latitude": 37.48692717618752, "longitude": -118.7527127813209 }, "geometry_snapshot": { "feature_id": "{3516AF3D-8A4D-49DD-BE35-EE6E007DC4E5}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "3331", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.48674083556284, "longitude": -118.75094726569864 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-hilton-08", "evidence_id": "evidence-route-segment-rock-creek-hilton-08", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-little-lakes-main", "evidence_ids": [ "evidence-route-segment-rock-creek-little-lakes-main" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-little-lakes-valley", "scope-route-morgan-pass-rock-creek" ], "subject_id": "route-segment-rock-creek-little-lakes-main", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{E5EAA451-A87B-42A2-93E3-B0E96FCE0DDA}", "dataset_feature_name": "LITTLE LAKES VALLEY", "dataset_field": "lengthmiles", "distance_miles": 3.10421564, "distance_status": "known", "end_coordinate": { "latitude": 37.39136930029423, "longitude": -118.75105991465682 }, "geometry_snapshot": { "feature_id": "{E5EAA451-A87B-42A2-93E3-B0E96FCE0DDA}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "1491", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.42904157002738, "longitude": -118.75098319486528 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-little-lakes-main", "evidence_id": "evidence-route-segment-rock-creek-little-lakes-main", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-mono-pass-link", "evidence_ids": [ "evidence-route-segment-rock-creek-mono-pass-link" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-mono-pass-rock-creek" ], "subject_id": "route-segment-rock-creek-mono-pass-link", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{F7A510DB-CA7C-4683-B873-251F17C62F9F}", "dataset_feature_name": "MONO PASS", "dataset_field": "lengthmiles", "distance_miles": 0.12498051000000002, "distance_status": "known", "end_coordinate": { "latitude": 37.429090903360645, "longitude": -118.75206606882193 }, "geometry_snapshot": { "feature_id": "{F7A510DB-CA7C-4683-B873-251F17C62F9F}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "2624", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.42904157002738, "longitude": -118.75098319486528 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-mono-pass-link", "evidence_id": "evidence-route-segment-rock-creek-mono-pass-link", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-mono-pass-main", "evidence_ids": [ "evidence-route-segment-rock-creek-mono-pass-main" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-mono-pass-rock-creek" ], "subject_id": "route-segment-rock-creek-mono-pass-main", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{5D8C1AB0-0F49-4501-9F48-5CEFF2A062C6}", "dataset_feature_name": "MONO PASS", "dataset_field": "lengthmiles", "distance_miles": 2.7038563200000003, "distance_status": "known", "end_coordinate": { "latitude": 37.42550679607456, "longitude": -118.77260994795671 }, "geometry_snapshot": { "feature_id": "{5D8C1AB0-0F49-4501-9F48-5CEFF2A062C6}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "2624", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.429090903360645, "longitude": -118.75206606882193 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-mono-pass-main", "evidence_id": "evidence-route-segment-rock-creek-mono-pass-main", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-morgan-pass-link", "evidence_ids": [ "evidence-route-segment-rock-creek-morgan-pass-link" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-morgan-pass-rock-creek" ], "subject_id": "route-segment-rock-creek-morgan-pass-link", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{4906AB08-A650-40B1-9A17-7E928EB568C7}", "dataset_feature_name": "MORGAN PASS", "dataset_field": "lengthmiles", "distance_miles": 0.008770420000000001, "distance_status": "known", "end_coordinate": { "latitude": 37.391287069044324, "longitude": -118.75094223132368 }, "geometry_snapshot": { "feature_id": "{4906AB08-A650-40B1-9A17-7E928EB568C7}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "2827", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.39136930029423, "longitude": -118.75105991465682 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-morgan-pass-link", "evidence_id": "evidence-route-segment-rock-creek-morgan-pass-link", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-morgan-pass-main", "evidence_ids": [ "evidence-route-segment-rock-creek-morgan-pass-main" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-morgan-pass-rock-creek" ], "subject_id": "route-segment-rock-creek-morgan-pass-main", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{15B6A5A2-2E32-4425-8B58-BB64761863F4}", "dataset_feature_name": "MORGAN PASS", "dataset_field": "lengthmiles", "distance_miles": 1.6944693499999999, "distance_status": "known", "end_coordinate": { "latitude": 37.38336132009829, "longitude": -118.72512040532206 }, "geometry_snapshot": { "feature_id": "{15B6A5A2-2E32-4425-8B58-BB64761863F4}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "6871", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.391287069044324, "longitude": -118.75094223132368 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-morgan-pass-main", "evidence_id": "evidence-route-segment-rock-creek-morgan-pass-main", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-morgan-pass-south-link", "evidence_ids": [ "evidence-route-segment-rock-creek-morgan-pass-south-link" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-morgan-pass-rock-creek" ], "subject_id": "route-segment-rock-creek-morgan-pass-south-link", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{A27043A6-695F-46A7-9201-719CBC307BE0}", "dataset_feature_name": "MORGAN PASS", "dataset_field": "lengthmiles", "distance_miles": 0.17733849000000002, "distance_status": "known", "end_coordinate": { "latitude": 37.38120818572662, "longitude": -118.7235085105329 }, "geometry_snapshot": { "feature_id": "{A27043A6-695F-46A7-9201-719CBC307BE0}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "5920", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.38336132009829, "longitude": -118.72512040532206 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-morgan-pass-south-link", "evidence_id": "evidence-route-segment-rock-creek-morgan-pass-south-link", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-mosquito-approach-1", "evidence_ids": [ "evidence-route-segment-rock-creek-mosquito-approach-1" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-little-lakes-valley", "scope-route-mono-pass-rock-creek", "scope-route-morgan-pass-rock-creek" ], "subject_id": "route-segment-rock-creek-mosquito-approach-1", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{3641DF33-6BC5-4367-9CC8-2ACEBF3F4B06}", "dataset_feature_name": "MONO PASS", "dataset_field": "lengthmiles", "distance_miles": 0.34420271, "distance_status": "known", "end_coordinate": { "latitude": 37.43083587731627, "longitude": -118.74971230528394 }, "geometry_snapshot": { "feature_id": "{3641DF33-6BC5-4367-9CC8-2ACEBF3F4B06}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "2625", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.43517256793456, "longitude": -118.74716727403785 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-mosquito-approach-1", "evidence_id": "evidence-route-segment-rock-creek-mosquito-approach-1", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-mosquito-approach-2", "evidence_ids": [ "evidence-route-segment-rock-creek-mosquito-approach-2" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-little-lakes-valley", "scope-route-mono-pass-rock-creek", "scope-route-morgan-pass-rock-creek" ], "subject_id": "route-segment-rock-creek-mosquito-approach-2", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{68032017-5FF6-4F82-ADD6-9643248FA2ED}", "dataset_feature_name": "MONO PASS", "dataset_field": "lengthmiles", "distance_miles": 0.139109, "distance_status": "known", "end_coordinate": { "latitude": 37.42920080648548, "longitude": -118.75088060736545 }, "geometry_snapshot": { "feature_id": "{68032017-5FF6-4F82-ADD6-9643248FA2ED}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "6896", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.43083587731627, "longitude": -118.74971230528394 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-mosquito-approach-2", "evidence_id": "evidence-route-segment-rock-creek-mosquito-approach-2", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-mosquito-junction-link", "evidence_ids": [ "evidence-route-segment-rock-creek-mosquito-junction-link" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-little-lakes-valley", "scope-route-mono-pass-rock-creek", "scope-route-morgan-pass-rock-creek" ], "subject_id": "route-segment-rock-creek-mosquito-junction-link", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{DBBF64BE-76AD-49B1-83EF-2C90D9DC9BCA}", "dataset_feature_name": "MONO PASS", "dataset_field": "lengthmiles", "distance_miles": 0.01250854, "distance_status": "known", "end_coordinate": { "latitude": 37.42904157002738, "longitude": -118.75098319486528 }, "geometry_snapshot": { "feature_id": "{DBBF64BE-76AD-49B1-83EF-2C90D9DC9BCA}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "2624", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.42920080648548, "longitude": -118.75088060736545 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-mosquito-junction-link", "evidence_id": "evidence-route-segment-rock-creek-mosquito-junction-link", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-tamarack-01", "evidence_ids": [ "evidence-route-segment-rock-creek-tamarack-01" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-tamarack-lakes-rock-creek" ], "subject_id": "route-segment-rock-creek-tamarack-01", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{26BA48D2-117F-4FCC-B9DA-98BD24C412AC}", "dataset_feature_name": "TAMARACK LAKES", "dataset_field": "lengthmiles", "distance_miles": 0.38544802, "distance_status": "known", "end_coordinate": { "latitude": 37.45084769082689, "longitude": -118.72986103239805 }, "geometry_snapshot": { "feature_id": "{26BA48D2-117F-4FCC-B9DA-98BD24C412AC}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "6135", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.45274314499062, "longitude": -118.73446831364089 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-tamarack-01", "evidence_id": "evidence-route-segment-rock-creek-tamarack-01", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-tamarack-02", "evidence_ids": [ "evidence-route-segment-rock-creek-tamarack-02" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-tamarack-lakes-rock-creek" ], "subject_id": "route-segment-rock-creek-tamarack-02", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{BDB8831C-AD92-4D72-80AE-F0A9AE1B7687}", "dataset_feature_name": "TAMARACK LAKES", "dataset_field": "lengthmiles", "distance_miles": 0.6335221900000001, "distance_status": "known", "end_coordinate": { "latitude": 37.45191826686687, "longitude": -118.72025925012127 }, "geometry_snapshot": { "feature_id": "{BDB8831C-AD92-4D72-80AE-F0A9AE1B7687}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "6413", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.45084769082689, "longitude": -118.72986103239805 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-tamarack-02", "evidence_id": "evidence-route-segment-rock-creek-tamarack-02", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-tamarack-03", "evidence_ids": [ "evidence-route-segment-rock-creek-tamarack-03" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-tamarack-lakes-rock-creek" ], "subject_id": "route-segment-rock-creek-tamarack-03", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{95ED0F46-F0F8-464D-B3CA-6374CD467036}", "dataset_feature_name": "TAMARACK LAKES", "dataset_field": "lengthmiles", "distance_miles": 0.020341780000000004, "distance_status": "known", "end_coordinate": { "latitude": 37.4519124189502, "longitude": -118.71989857720519 }, "geometry_snapshot": { "feature_id": "{95ED0F46-F0F8-464D-B3CA-6374CD467036}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "6413", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.45191826686687, "longitude": -118.72025925012127 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-tamarack-03", "evidence_id": "evidence-route-segment-rock-creek-tamarack-03", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-tamarack-04", "evidence_ids": [ "evidence-route-segment-rock-creek-tamarack-04" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-tamarack-lakes-rock-creek" ], "subject_id": "route-segment-rock-creek-tamarack-04", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{DCEA0FB1-F44F-4571-BADF-B037444A21E3}", "dataset_feature_name": "TAMARACK LAKES", "dataset_field": "lengthmiles", "distance_miles": 0.01705854, "distance_status": "known", "end_coordinate": { "latitude": 37.451805572075386, "longitude": -118.71963597303892 }, "geometry_snapshot": { "feature_id": "{DCEA0FB1-F44F-4571-BADF-B037444A21E3}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "6788", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.4519124189502, "longitude": -118.71989857720519 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-tamarack-04", "evidence_id": "evidence-route-segment-rock-creek-tamarack-04", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-tamarack-05", "evidence_ids": [ "evidence-route-segment-rock-creek-tamarack-05" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-tamarack-lakes-rock-creek" ], "subject_id": "route-segment-rock-creek-tamarack-05", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{AEDC2FF7-7813-462A-A89F-D2D74FE49BC4}", "dataset_feature_name": "TAMARACK LAKES", "dataset_field": "lengthmiles", "distance_miles": 0.7920838, "distance_status": "known", "end_coordinate": { "latitude": 37.442275951256875, "longitude": -118.71442135013035 }, "geometry_snapshot": { "feature_id": "{AEDC2FF7-7813-462A-A89F-D2D74FE49BC4}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "6085", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.451805572075386, "longitude": -118.71963597303892 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-tamarack-05", "evidence_id": "evidence-route-segment-rock-creek-tamarack-05", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-tamarack-06", "evidence_ids": [ "evidence-route-segment-rock-creek-tamarack-06" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-tamarack-lakes-rock-creek" ], "subject_id": "route-segment-rock-creek-tamarack-06", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{501786DB-4DE0-424E-A0AF-755788D8C0D0}", "dataset_feature_name": "TAMARACK LAKES", "dataset_field": "lengthmiles", "distance_miles": 0.5390174600000001, "distance_status": "known", "end_coordinate": { "latitude": 37.439795902302365, "longitude": -118.7082952678482 }, "geometry_snapshot": { "feature_id": "{501786DB-4DE0-424E-A0AF-755788D8C0D0}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "6085", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.442275951256875, "longitude": -118.71442135013035 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-tamarack-06", "evidence_id": "evidence-route-segment-rock-creek-tamarack-06", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-tamarack-07", "evidence_ids": [ "evidence-route-segment-rock-creek-tamarack-07" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-tamarack-lakes-rock-creek" ], "subject_id": "route-segment-rock-creek-tamarack-07", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{02243E6E-4658-466F-AF4A-F5741463124C}", "dataset_feature_name": "TAMARACK LAKES", "dataset_field": "lengthmiles", "distance_miles": 1.38702204, "distance_status": "known", "end_coordinate": { "latitude": 37.42471565545077, "longitude": -118.70394250535497 }, "geometry_snapshot": { "feature_id": "{02243E6E-4658-466F-AF4A-F5741463124C}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "6085", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.439795902302365, "longitude": -118.7082952678482 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-tamarack-07", "evidence_id": "evidence-route-segment-rock-creek-tamarack-07", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] }, { "claim": { "claim_id": "claim-route-segment-rock-creek-tamarack-08", "evidence_ids": [ "evidence-route-segment-rock-creek-tamarack-08" ], "predicate": "official_dataset_route_segment", "spatial_scope_ids": [ "scope-route-tamarack-lakes-rock-creek" ], "subject_id": "route-segment-rock-creek-tamarack-08", "temporal_scope": null, "value": { "coordinate_reference_system": "EPSG:4269", "dataset_feature_id": "{20D0AB20-2F5D-447F-9387-FB8C4029246D}", "dataset_feature_name": "TAMARACK LAKES", "dataset_field": "lengthmiles", "distance_miles": 1.4167704, "distance_status": "known", "end_coordinate": { "latitude": 37.41274057734438, "longitude": -118.70930386680499 }, "geometry_snapshot": { "feature_id": "{20D0AB20-2F5D-447F-9387-FB8C4029246D}", "path": "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "sha256": "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" }, "operational_status_requires_current_check": true, "route_role": "official_mainline", "source_data_description": "USFS Trails Update 03/2026", "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}", "source_edit_date": 1774742400000, "source_feature_id": "6086", "source_load_date": 1777310283000, "source_mode_attributes": { "hiker_pedestrian": null, "pack_saddle": null }, "source_originator": "U.S. Forest Service", "start_coordinate": { "latitude": 37.42471565545077, "longitude": -118.70394250535497 } } }, "evidence": [ { "claim_id": "claim-route-segment-rock-creek-tamarack-08", "evidence_id": "evidence-route-segment-rock-creek-tamarack-08", "notes": "", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "stance": "supports" } ], "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.", "observation_id": "observation-usgs-rock-creek-principal-routes-20260923", "observed_at": null, "observer": "", "retrieved_at": "2026-09-23T21:00:00+00:00", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ], "sources": [ { "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0", "publisher": "U.S. Geological Survey / U.S. Forest Service", "source_id": "source-usgs-national-digital-trails-rock-creek-20260923" } ] } ], "entities": [ { "entity_id": "route-segment-rock-creek-hilton-01", "kind": "route_segment", "name": "Hilton Lakes segment" }, { "entity_id": "route-segment-rock-creek-hilton-02", "kind": "route_segment", "name": "Hilton Lakes segment" }, { "entity_id": "route-segment-rock-creek-hilton-03", "kind": "route_segment", "name": "Hilton Lakes segment" }, { "entity_id": "route-segment-rock-creek-hilton-04", "kind": "route_segment", "name": "Hilton Lakes segment" }, { "entity_id": "route-segment-rock-creek-hilton-05", "kind": "route_segment", "name": "Hilton Lakes segment" }, { "entity_id": "route-segment-rock-creek-hilton-06", "kind": "route_segment", "name": "Hilton Lakes segment" }, { "entity_id": "route-segment-rock-creek-hilton-07", "kind": "route_segment", "name": "Hilton Lakes segment" }, { "entity_id": "route-segment-rock-creek-hilton-08", "kind": "route_segment", "name": "Hilton Lakes segment" }, { "entity_id": "route-segment-rock-creek-little-lakes-main", "kind": "route_segment", "name": "Little Lakes Valley segment" }, { "entity_id": "route-segment-rock-creek-mono-pass-link", "kind": "route_segment", "name": "Mono Pass segment" }, { "entity_id": "route-segment-rock-creek-mono-pass-main", "kind": "route_segment", "name": "Mono Pass segment" }, { "entity_id": "route-segment-rock-creek-morgan-pass-link", "kind": "route_segment", "name": "Morgan Pass segment" }, { "entity_id": "route-segment-rock-creek-morgan-pass-main", "kind": "route_segment", "name": "Morgan Pass segment" }, { "entity_id": "route-segment-rock-creek-morgan-pass-south-link", "kind": "route_segment", "name": "Morgan Pass segment" }, { "entity_id": "route-segment-rock-creek-mosquito-approach-1", "kind": "route_segment", "name": "Mono Pass segment" }, { "entity_id": "route-segment-rock-creek-mosquito-approach-2", "kind": "route_segment", "name": "Mono Pass segment" }, { "entity_id": "route-segment-rock-creek-mosquito-junction-link", "kind": "route_segment", "name": "Mono Pass segment" }, { "entity_id": "route-segment-rock-creek-tamarack-01", "kind": "route_segment", "name": "Tamarack Lakes segment" }, { "entity_id": "route-segment-rock-creek-tamarack-02", "kind": "route_segment", "name": "Tamarack Lakes segment" }, { "entity_id": "route-segment-rock-creek-tamarack-03", "kind": "route_segment", "name": "Tamarack Lakes segment" }, { "entity_id": "route-segment-rock-creek-tamarack-04", "kind": "route_segment", "name": "Tamarack Lakes segment" }, { "entity_id": "route-segment-rock-creek-tamarack-05", "kind": "route_segment", "name": "Tamarack Lakes segment" }, { "entity_id": "route-segment-rock-creek-tamarack-06", "kind": "route_segment", "name": "Tamarack Lakes segment" }, { "entity_id": "route-segment-rock-creek-tamarack-07", "kind": "route_segment", "name": "Tamarack Lakes segment" }, { "entity_id": "route-segment-rock-creek-tamarack-08", "kind": "route_segment", "name": "Tamarack Lakes segment" } ], "history": [ { "action": "ADD", "change_set_id": "wp-20260923-rock-creek-corridor-principal-routes", "evidence_refs": [], "knowledge_gap_refs": [], "path": "canonical/v0/sources/source-usgs-national-digital-trails-rock-creek-20260923.json", "reason": "Publish the official Rock Creek corridor, principal distance-bearing hiking topology, reviewed geometry, and Mosquito Flat overnight-permit boundary.", "record_id": "source-usgs-national-digital-trails-rock-creek-20260923", "record_type": "source", "summary": "Add the Rock Creek developed corridor, five principal bidirectional hiking routes with reviewed GeoJSON, Mosquito Flat access, overnight permit and food-storage requirements, and explicit unresolved spur/current-condition gaps." } ], "navigation": { "next_id": "source-usgs-national-digital-trails-rock-creek-extensions-20260924", "position": 581, "previous_id": "source-usgs-national-digital-trails-eastern-sierra-20260924", "total": 587 }, "observations": [ { "artifact_refs": [ "geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson", "cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a" ], "content": "A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. 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