{
  "answerability": "evidence_backed_claims_available",
  "claims": [
    {
      "claim": {
        "claim_id": "claim-trailhead-mosquito-flat-map-point",
        "evidence_ids": [
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        ],
        "predicate": "reviewed_access_point_coordinate",
        "spatial_scope_ids": [],
        "subject_id": "trailhead-mosquito-flat",
        "temporal_scope": null,
        "value": {
          "geometry_snapshot": {
            "feature_id": "trailhead-mosquito-flat",
            "path": "geometry/v0/snapshots/eastern-sierra-trailhead-points-20260925.geojson",
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          },
          "latitude": 37.43517256793456,
          "longitude": -118.74716727403785,
          "navigation_grade": false,
          "provenance": "reviewed_usgs_route_endpoint",
          "source_feature_id": "{3641DF33-6BC5-4367-9CC8-2ACEBF3F4B06}",
          "source_ids": [
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          ]
        }
      },
      "evidence": [
        {
          "claim_id": "claim-trailhead-mosquito-flat-map-point",
          "evidence_id": "evidence-trailhead-mosquito-flat-map-point-usgs-eastern-sierra-trailhead-endpoints-20260925",
          "notes": "",
          "observation_id": "observation-usgs-eastern-sierra-trailhead-endpoints-20260925",
          "stance": "supports"
        }
      ],
      "observations": [
        {
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            "ea8e63ced14acdff52ace60f067deef10538830e224e1e853be069f8aba74968"
          ],
          "content": "Reviewed National Digital Trails features place evidenced route endpoints at the Parker Lake, McGee Creek, Tamarack Lakes, Mosquito Flat, North Lake, Sabrina Basin, South Lake, Yost/Fern, Upper Rock Creek/East Fork, and Lundy Canyon access identities. The Lundy endpoint is independently corroborated by a named OpenStreetMap trailhead point approximately ten meters away.",
          "observation_id": "observation-usgs-eastern-sierra-trailhead-endpoints-20260925",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-25T13:00:00+00:00",
          "source_id": "source-usgs-national-digital-trails-eastern-sierra-20260924"
        }
      ],
      "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-eastern-sierra-20260924"
        }
      ],
      "subject": {
        "entity_id": "trailhead-mosquito-flat",
        "kind": "trailhead",
        "name": "Mosquito Flat Trailhead"
      }
    },
    {
      "claim": {
        "claim_id": "claim-mosquito-flat-access-profile",
        "evidence_ids": [
          "evidence-mosquito-flat-access-profile"
        ],
        "predicate": "trailhead_profile",
        "spatial_scope_ids": [
          "scope-rock-creek-corridor"
        ],
        "subject_id": "trailhead-mosquito-flat",
        "temporal_scope": null,
        "value": {
          "approximate_elevation_feet": 10300,
          "principal_routes": [
            "route-little-lakes-valley",
            "route-mono-pass-rock-creek",
            "route-morgan-pass-rock-creek"
          ],
          "road_end_access": true
        }
      },
      "evidence": [
        {
          "claim_id": "claim-mosquito-flat-access-profile",
          "evidence_id": "evidence-mosquito-flat-access-profile",
          "notes": "",
          "observation_id": "observation-usfs-rock-creek-visitor-guide-20260923",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Mammoth Lakes / Rock Creek map and visitor-guide panel"
          ],
          "content": "The Inyo visitor guide describes Rock Creek's glacially carved Little Lakes Valley, states that more than 50 lakes are linked by hiking trails and surrounded by 13,000-foot peaks, and describes the road-end trailhead as the highest in the Sierra at 10,300 feet.",
          "observation_id": "observation-usfs-rock-creek-visitor-guide-20260923",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-23T21:00:00+00:00",
          "source_id": "source-usfs-inyo-visitor-guide-2021"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/inyo/Visitor%20Guide%202021.pdf",
          "publisher": "USDA Forest Service, Inyo National Forest",
          "source_id": "source-usfs-inyo-visitor-guide-2021"
        }
      ],
      "subject": {
        "entity_id": "trailhead-mosquito-flat",
        "kind": "trailhead",
        "name": "Mosquito Flat Trailhead"
      }
    }
  ],
  "entity": {
    "entity_id": "trailhead-mosquito-flat",
    "kind": "trailhead",
    "name": "Mosquito Flat Trailhead"
  },
  "gap_details": [],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260923-rock-creek-corridor-principal-routes",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/entities/trailhead-mosquito-flat.json",
      "reason": "Publish the official Rock Creek corridor, principal distance-bearing hiking topology, reviewed geometry, and Mosquito Flat overnight-permit boundary.",
      "record_id": "trailhead-mosquito-flat",
      "record_type": "entity",
      "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."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260925-eastern-sierra-trailhead-map-points",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-trailhead-mosquito-flat-map-point.json",
      "reason": "Publish reviewed East Side access points without inferring access from proximity.",
      "record_id": "claim-trailhead-mosquito-flat-map-point",
      "record_type": "claim",
      "summary": "Publish 13 evidenced East Side trail access points and preserve three unresolved connector or identity questions."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260923-rock-creek-corridor-principal-routes",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-mosquito-flat-access-profile.json",
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      "record_id": "claim-mosquito-flat-access-profile",
      "record_type": "claim",
      "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."
    }
  ],
  "journey": [],
  "knowledge_gaps": [],
  "reference_evidence": [],
  "relationships": [
    {
      "evidence_ids": [
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      ],
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      "predicate": "accesses",
      "relationship_id": "relationship-rock-creek-road-accesses-mosquito-flat",
      "subject_id": "road-rock-creek-inyo",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
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      ],
      "object_id": "trailhead-mosquito-flat",
      "predicate": "accesses",
      "relationship_id": "relationship-rock-creek-road-accesses-trailhead-mosquito-flat",
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      "temporal_scope": null
    },
    {
      "evidence_ids": [
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      ],
      "object_id": "place-rock-creek-canyon",
      "predicate": "located_in",
      "relationship_id": "relationship-trailhead-mosquito-flat-located-in-rock-creek-canyon",
      "subject_id": "trailhead-mosquito-flat",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
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      ],
      "object_id": "trailhead-mosquito-flat",
      "predicate": "manages",
      "relationship_id": "relationship-inyo-manages-trailhead-mosquito-flat",
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      "temporal_scope": null
    },
    {
      "evidence_ids": [
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      ],
      "object_id": "trailhead-mosquito-flat",
      "predicate": "starts_at",
      "relationship_id": "relationship-route-little-lakes-valley-starts-at",
      "subject_id": "route-little-lakes-valley",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-route-mono-pass-rock-creek-profile"
      ],
      "object_id": "trailhead-mosquito-flat",
      "predicate": "starts_at",
      "relationship_id": "relationship-route-mono-pass-rock-creek-starts-at",
      "subject_id": "route-mono-pass-rock-creek",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-route-morgan-pass-rock-creek-profile"
      ],
      "object_id": "trailhead-mosquito-flat",
      "predicate": "starts_at",
      "relationship_id": "relationship-route-morgan-pass-rock-creek-starts-at",
      "subject_id": "route-morgan-pass-rock-creek",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-route-segment-rock-creek-mosquito-approach-1"
      ],
      "object_id": "trailhead-mosquito-flat",
      "predicate": "starts_at",
      "relationship_id": "relationship-route-segment-rock-creek-mosquito-approach-1-starts-at",
      "subject_id": "route-segment-rock-creek-mosquito-approach-1",
      "temporal_scope": null
    }
  ],
  "route_geometry": null,
  "route_geometry_url": null,
  "type": "canonical_entity"
}