{
  "answerability": "evidence_backed_claims_available",
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    {
      "claim": {
        "claim_id": "claim-route-segment-lamarck-lakes-05",
        "evidence_ids": [
          "evidence-route-segment-lamarck-lakes-05"
        ],
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        "spatial_scope_ids": [
          "scope-route-lamarck-lakes"
        ],
        "subject_id": "route-segment-lamarck-lakes-05",
        "temporal_scope": null,
        "value": {
          "coordinate_reference_system": "EPSG:4326",
          "dataset_feature_id": "{70A05BFB-692F-4CFE-9380-1B9DA54DC158}",
          "dataset_feature_name": "LAMARCK LAKES",
          "dataset_field": "lengthmiles",
          "distance_miles": 0.24616287,
          "distance_status": "known",
          "end_coordinate": {
            "latitude": 37.212319478916,
            "longitude": -118.64619695088236
          },
          "geometry_snapshot": {
            "feature_id": "{70A05BFB-692F-4CFE-9380-1B9DA54DC158}",
            "path": "geometry/v0/snapshots/usgs-bishop-creek-lamarck-treasure-20260925.geojson",
            "sha256": "0115cb49dce274295bcea333edab310621738d6284ebb75aa76d942e86bb7206"
          },
          "route_role": "official_mainline",
          "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}",
          "source_edit_date": 1774742400000,
          "source_feature_id": "6812",
          "source_load_date": 1777310283000,
          "source_originator": "U.S. Forest Service",
          "start_coordinate": {
            "latitude": 37.214442683495385,
            "longitude": -118.64322614853565
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        }
      },
      "evidence": [
        {
          "claim_id": "claim-route-segment-lamarck-lakes-05",
          "evidence_id": "evidence-route-segment-lamarck-lakes-05",
          "notes": "",
          "observation_id": "observation-usgs-bishop-creek-lamarck-treasure-routes-20260925",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
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            "0115cb49dce274295bcea333edab310621738d6284ebb75aa76d942e86bb7206"
          ],
          "content": "The bounded National Digital Trails extract contains five connected LAMARCK LAKES features after the initial shared Piute Pass segment, ending beside Upper Lamarck Lake, and four connected South Lake features consisting of three BISHOP PASS features followed by the TREASURE LAKES branch. The selected public-domain features are retained in a versioned snapshot with their source length fields and identifiers.",
          "observation_id": "observation-usgs-bishop-creek-lamarck-treasure-routes-20260925",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-25T08:00:00+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": "route-segment-lamarck-lakes-05",
        "kind": "route_segment",
        "name": "Lamarck Lakes segment 5"
      }
    }
  ],
  "entity": {
    "entity_id": "route-segment-lamarck-lakes-05",
    "kind": "route_segment",
    "name": "Lamarck Lakes segment 5"
  },
  "gap_details": [],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260925-bishop-creek-lamarck-treasure-depth",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/entities/route-segment-lamarck-lakes-05.json",
      "reason": "Add source-backed Lamarck and Treasure Lakes topology, geometry, and day-hike distance results.",
      "record_id": "route-segment-lamarck-lakes-05",
      "record_type": "entity",
      "summary": "Add connected Lamarck and Treasure Lakes route geometry and close the bounded Bishop Creek distance gap."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260925-bishop-creek-lamarck-treasure-depth",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-route-segment-lamarck-lakes-05.json",
      "reason": "Add source-backed Lamarck and Treasure Lakes topology, geometry, and day-hike distance results.",
      "record_id": "claim-route-segment-lamarck-lakes-05",
      "record_type": "claim",
      "summary": "Add connected Lamarck and Treasure Lakes route geometry and close the bounded Bishop Creek distance gap."
    }
  ],
  "journey": [],
  "knowledge_gaps": [],
  "reference_evidence": [],
  "relationships": [
    {
      "evidence_ids": [
        "evidence-route-segment-lamarck-lakes-05"
      ],
      "object_id": "place-upper-lamarck-lake",
      "predicate": "ends_at",
      "relationship_id": "relationship-route-segment-lamarck-lakes-05-ends-at",
      "subject_id": "route-segment-lamarck-lakes-05",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-route-segment-lamarck-lakes-05"
      ],
      "object_id": "route-lamarck-lakes",
      "predicate": "part_of",
      "relationship_id": "relationship-route-segment-lamarck-lakes-05-part-of-lamarck-lakes",
      "subject_id": "route-segment-lamarck-lakes-05",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-route-segment-lamarck-lakes-05"
      ],
      "object_id": "route-node-lamarck-lakes-04",
      "predicate": "starts_at",
      "relationship_id": "relationship-route-segment-lamarck-lakes-05-starts-at",
      "subject_id": "route-segment-lamarck-lakes-05",
      "temporal_scope": null
    }
  ],
  "route_geometry": null,
  "route_geometry_url": null,
  "type": "canonical_entity"
}