{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-emigrant-crabtree-camp-identity",
        "evidence_ids": [
          "evidence-emigrant-crabtree-camp-identity"
        ],
        "predicate": "mapped_lake_identity",
        "spatial_scope_ids": [
          "scope-waterbody-emigrant-camp-lake"
        ],
        "subject_id": "waterbody-emigrant-camp-lake",
        "temporal_scope": null,
        "value": {
          "edition_basis": "2021 filename",
          "geometry": "not imported",
          "name": "Camp Lake",
          "wilderness": "wilderness-emigrant"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-emigrant-crabtree-camp-identity",
          "evidence_id": "evidence-emigrant-crabtree-camp-identity",
          "notes": "",
          "observation_id": "observation-emigrant-crabtree-camp-identity",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Minimum Camping Distance Map for Camp Lake, page 1 (2021 filename): named lake in Emigrant Wilderness and system trail marked To Crabtree Trailhead. The system trail approaches from the west and follows south of Camp Lake. No shoreline polygon, campsite inventory or live water availability is inferred.",
          "observation_id": "observation-emigrant-crabtree-camp-identity",
          "observed_at": null,
          "observer": "Wayproof primary-source text and visual map review",
          "retrieved_at": "2026-10-05T22:52:54+00:00",
          "source_id": "source-usfs-emigrant-camp-camping-map"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Camp%20Lake%20-%20Minimum%20Camping%20Distances%202021.pdf",
          "publisher": "USDA Forest Service, Stanislaus National Forest",
          "source_id": "source-usfs-emigrant-camp-camping-map"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "waterbody-emigrant-camp-lake",
      "kind": "waterbody",
      "name": "Camp Lake (Emigrant Wilderness)"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20261005-emigrant-crabtree-lakes",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/observations/observation-emigrant-crabtree-camp-identity.json",
      "reason": "Add bounded Crabtree lake approaches while preserving map precision and unresolved coverage.",
      "record_id": "observation-emigrant-crabtree-camp-identity",
      "record_type": "observation",
      "summary": "Model shared Crabtree approaches to Camp and Bear lakes with conflicting mileage reports and lake camping rechecks."
    }
  ],
  "navigation": {
    "next_id": "observation-emigrant-crabtree-camp-mileage-table",
    "position": 565,
    "previous_id": "observation-emigrant-crabtree-camp-favorite-hikes",
    "total": 1318
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "Minimum Camping Distance Map for Camp Lake, page 1 (2021 filename): named lake in Emigrant Wilderness and system trail marked To Crabtree Trailhead. The system trail approaches from the west and follows south of Camp Lake. No shoreline polygon, campsite inventory or live water availability is inferred.",
      "observation_id": "observation-emigrant-crabtree-camp-identity",
      "observed_at": null,
      "observer": "Wayproof primary-source text and visual map review",
      "retrieved_at": "2026-10-05T22:52:54+00:00",
      "source_id": "source-usfs-emigrant-camp-camping-map"
    }
  ],
  "record": {
    "artifact_refs": [],
    "content": "Minimum Camping Distance Map for Camp Lake, page 1 (2021 filename): named lake in Emigrant Wilderness and system trail marked To Crabtree Trailhead. The system trail approaches from the west and follows south of Camp Lake. No shoreline polygon, campsite inventory or live water availability is inferred.",
    "observation_id": "observation-emigrant-crabtree-camp-identity",
    "observed_at": null,
    "observer": "Wayproof primary-source text and visual map review",
    "retrieved_at": "2026-10-05T22:52:54+00:00",
    "source_id": "source-usfs-emigrant-camp-camping-map"
  },
  "record_type": "observation",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Camp%20Lake%20-%20Minimum%20Camping%20Distances%202021.pdf",
      "publisher": "USDA Forest Service, Stanislaus National Forest",
      "source_id": "source-usfs-emigrant-camp-camping-map"
    }
  ]
}