{
  "answerability": "evidence_backed_claims_available",
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    {
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        "evidence_ids": [
          "evidence-blue-lake-sabrina-geographic-reference"
        ],
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        ],
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          "coordinate_reference_system": "EPSG:4326",
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          "notes": "",
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          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The bounded USGS Geographic Names service identifies Blue Lake in Inyo County as feature 257249 at 37.184240346016622, -118.61961194847549 and Piute Pass as feature 264832 at 37.239106260609425, -118.68401506287091. GNIS points identify named features rather than lake boundaries or survey-grade trail junctions.",
          "observation_id": "observation-usgs-geographic-names-bishop-creek-20260924",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-24T22:00:00+00:00",
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        }
      ],
      "sources": [
        {
          "locator": "https://carto.nationalmap.gov/arcgis/rest/services/geonames/MapServer",
          "publisher": "U.S. Geological Survey",
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        }
      ],
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        "kind": "waterbody",
        "name": "Blue Lake in Sabrina Basin"
      }
    }
  ],
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    "entity_id": "place-blue-lake-sabrina",
    "kind": "waterbody",
    "name": "Blue Lake in Sabrina Basin"
  },
  "gap_details": [],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260923-eastern-sierra-foliage-hikes",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/entities/place-blue-lake-sabrina.json",
      "reason": "Publish a source-backed access and route foundation for Eastern Sierra fall-foliage day-hike alternatives near East Fork Campground.",
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      "record_type": "entity",
      "summary": "Add source-backed Eastern Sierra foliage-hike trailheads, managing areas, route associations, published distances and hazards, plus explicit research and pre-trip gaps."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260924-bishop-creek-route-depth",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-blue-lake-sabrina-geographic-reference.json",
      "reason": "Add source-backed Blue Lake and Piute Pass topology, geometry, and trip-distance implications.",
      "record_id": "claim-blue-lake-sabrina-geographic-reference",
      "record_type": "claim",
      "summary": "Add connected Blue Lake and Piute Pass route geometry, retain the North Lake parking approach, and narrow the unresolved Bishop Creek distance gap."
    }
  ],
  "journey": [],
  "knowledge_gaps": [],
  "reference_evidence": [],
  "relationships": [
    {
      "evidence_ids": [
        "evidence-sabrina-basin-access-profile"
      ],
      "object_id": "place-blue-lake-sabrina",
      "predicate": "ends_at",
      "relationship_id": "relationship-route-sabrina-blue-ends-at",
      "subject_id": "route-sabrina-blue-lake",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-route-segment-sabrina-blue-lake-04"
      ],
      "object_id": "place-blue-lake-sabrina",
      "predicate": "ends_at",
      "relationship_id": "relationship-route-segment-sabrina-blue-lake-04-ends-at",
      "subject_id": "route-segment-sabrina-blue-lake-04",
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  ],
  "route_geometry": null,
  "route_geometry_url": null,
  "type": "canonical_entity"
}