{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-north-lake-access-profile",
        "evidence_ids": [
          "evidence-north-lake-access-profile"
        ],
        "predicate": "access_profile",
        "spatial_scope_ids": [
          "scope-trailhead-north-lake-bishop"
        ],
        "subject_id": "trailhead-north-lake-bishop",
        "temporal_scope": null,
        "value": {
          "campground_parking_for_hikers": false,
          "hiker_parking": "by North Lake near pack station",
          "published_elevation_ft": 9320,
          "trailhead_distance_from_parking_miles": 0.5
        }
      },
      "evidence": [
        {
          "claim_id": "claim-north-lake-access-profile",
          "evidence_id": "evidence-north-lake-access-profile",
          "notes": "",
          "observation_id": "observation-usfs-bishop-creek-wilderness-hiking-20260923",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The Bishop Creek guide locates Sabrina Basin day-use parking at the end of Highway 168 and describes the main trail to Blue Lake. It locates Piute Pass hiker parking by North Lake near the pack station, with the trailhead about half a mile farther in North Lake Campground, where hikers may not park. The Piute Pass trail begins through lodgepole pine and quaking aspens.",
          "observation_id": "observation-usfs-bishop-creek-wilderness-hiking-20260923",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-23T23:00:00+00:00",
          "source_id": "source-usfs-bishop-creek-wilderness-hiking"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb5195702.pdf",
          "publisher": "USDA Forest Service",
          "source_id": "source-usfs-bishop-creek-wilderness-hiking"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-sabrina-basin-access-profile",
        "evidence_ids": [
          "evidence-sabrina-basin-access-profile"
        ],
        "predicate": "access_profile",
        "spatial_scope_ids": [
          "scope-trailhead-sabrina-basin"
        ],
        "subject_id": "trailhead-sabrina-basin",
        "temporal_scope": null,
        "value": {
          "day_use_parking": "at road end",
          "published_elevation_ft": 9040,
          "road": "Highway 168",
          "route_destination": "Blue Lake"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-sabrina-basin-access-profile",
          "evidence_id": "evidence-sabrina-basin-access-profile",
          "notes": "",
          "observation_id": "observation-usfs-bishop-creek-wilderness-hiking-20260923",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The Bishop Creek guide locates Sabrina Basin day-use parking at the end of Highway 168 and describes the main trail to Blue Lake. It locates Piute Pass hiker parking by North Lake near the pack station, with the trailhead about half a mile farther in North Lake Campground, where hikers may not park. The Piute Pass trail begins through lodgepole pine and quaking aspens.",
          "observation_id": "observation-usfs-bishop-creek-wilderness-hiking-20260923",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-23T23:00:00+00:00",
          "source_id": "source-usfs-bishop-creek-wilderness-hiking"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb5195702.pdf",
          "publisher": "USDA Forest Service",
          "source_id": "source-usfs-bishop-creek-wilderness-hiking"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "trailhead-north-lake-bishop",
      "kind": "trailhead",
      "name": "North Lake Trailhead"
    },
    {
      "entity_id": "trailhead-sabrina-basin",
      "kind": "trailhead",
      "name": "Sabrina Basin Trailhead"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260923-eastern-sierra-foliage-hikes",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/sources/source-usfs-bishop-creek-wilderness-hiking.json",
      "reason": "Publish a source-backed access and route foundation for Eastern Sierra fall-foliage day-hike alternatives near East Fork Campground.",
      "record_id": "source-usfs-bishop-creek-wilderness-hiking",
      "record_type": "source",
      "summary": "Add source-backed Eastern Sierra foliage-hike trailheads, managing areas, route associations, published distances and hazards, plus explicit research and pre-trip gaps."
    }
  ],
  "navigation": {
    "next_id": "source-usfs-convict-wilderness-hiking",
    "position": 523,
    "previous_id": "source-usfs-aspen-group-campground",
    "total": 587
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "The Bishop Creek guide locates Sabrina Basin day-use parking at the end of Highway 168 and describes the main trail to Blue Lake. It locates Piute Pass hiker parking by North Lake near the pack station, with the trailhead about half a mile farther in North Lake Campground, where hikers may not park. The Piute Pass trail begins through lodgepole pine and quaking aspens.",
      "observation_id": "observation-usfs-bishop-creek-wilderness-hiking-20260923",
      "observed_at": null,
      "observer": "",
      "retrieved_at": "2026-09-23T23:00:00+00:00",
      "source_id": "source-usfs-bishop-creek-wilderness-hiking"
    }
  ],
  "record": {
    "locator": "https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb5195702.pdf",
    "publisher": "USDA Forest Service",
    "source_id": "source-usfs-bishop-creek-wilderness-hiking"
  },
  "record_type": "source",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb5195702.pdf",
      "publisher": "USDA Forest Service",
      "source_id": "source-usfs-bishop-creek-wilderness-hiking"
    }
  ]
}