{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-emigrant-crabtree-bear-camping-exclusion",
        "evidence_ids": [
          "evidence-emigrant-crabtree-bear-camping-exclusion"
        ],
        "predicate": "camping_area_restriction",
        "spatial_scope_ids": [
          "scope-waterbody-emigrant-bear-lake"
        ],
        "subject_id": "waterbody-emigrant-bear-lake",
        "temporal_scope": null,
        "value": {
          "no_campsites_inferred": true,
          "restriction": "Camping near cliff edges directly above Bear Lake is prohibited.",
          "site_availability": "unknown"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-emigrant-crabtree-bear-camping-exclusion",
          "evidence_id": "evidence-emigrant-crabtree-bear-camping-exclusion",
          "notes": "",
          "observation_id": "observation-emigrant-crabtree-bear-camping-exclusion",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Minimum Camping Distance Map for Bear Lake, page 1 (2021 filename): Camping near cliff edges directly above Bear Lake is prohibited.",
          "observation_id": "observation-emigrant-crabtree-bear-camping-exclusion",
          "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-bear-camping-map"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Bear%20Lake%20-%20Minimum%20Camping%20Distances%202021.pdf",
          "publisher": "USDA Forest Service, Stanislaus National Forest",
          "source_id": "source-usfs-emigrant-bear-camping-map"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-emigrant-crabtree-bear-horizontal-distance",
        "evidence_ids": [
          "evidence-emigrant-crabtree-bear-horizontal-distance"
        ],
        "predicate": "camping_distance_measurement",
        "spatial_scope_ids": [
          "scope-waterbody-emigrant-bear-lake"
        ],
        "subject_id": "waterbody-emigrant-bear-lake",
        "temporal_scope": null,
        "value": {
          "basis": "horizontal; not slope line"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-emigrant-crabtree-bear-horizontal-distance",
          "evidence_id": "evidence-emigrant-crabtree-bear-horizontal-distance",
          "notes": "",
          "observation_id": "observation-emigrant-crabtree-bear-horizontal-distance",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Minimum Camping Distance Map for Bear Lake, page 1 (2021 filename): distance from water to camp is measured horizontally, not on the slope line.",
          "observation_id": "observation-emigrant-crabtree-bear-horizontal-distance",
          "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-bear-camping-map"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Bear%20Lake%20-%20Minimum%20Camping%20Distances%202021.pdf",
          "publisher": "USDA Forest Service, Stanislaus National Forest",
          "source_id": "source-usfs-emigrant-bear-camping-map"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-emigrant-crabtree-bear-identity",
        "evidence_ids": [
          "evidence-emigrant-crabtree-bear-identity"
        ],
        "predicate": "mapped_lake_identity",
        "spatial_scope_ids": [
          "scope-waterbody-emigrant-bear-lake"
        ],
        "subject_id": "waterbody-emigrant-bear-lake",
        "temporal_scope": null,
        "value": {
          "edition_basis": "2021 filename",
          "geometry": "not imported",
          "name": "Bear Lake",
          "wilderness": "wilderness-emigrant"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-emigrant-crabtree-bear-identity",
          "evidence_id": "evidence-emigrant-crabtree-bear-identity",
          "notes": "",
          "observation_id": "observation-emigrant-crabtree-bear-identity",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Minimum Camping Distance Map for Bear Lake, page 1 (2021 filename): named lake in Emigrant Wilderness and system trail marked To Crabtree Trailhead. The system trail ends on the southwest approach to Bear Lake. No shoreline polygon, campsite inventory or live water availability is inferred.",
          "observation_id": "observation-emigrant-crabtree-bear-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-bear-camping-map"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Bear%20Lake%20-%20Minimum%20Camping%20Distances%202021.pdf",
          "publisher": "USDA Forest Service, Stanislaus National Forest",
          "source_id": "source-usfs-emigrant-bear-camping-map"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-emigrant-crabtree-bear-recommendation",
        "evidence_ids": [
          "evidence-emigrant-crabtree-bear-recommendation"
        ],
        "predicate": "camping_setback_recommendation",
        "spatial_scope_ids": [
          "scope-waterbody-emigrant-bear-lake"
        ],
        "subject_id": "waterbody-emigrant-bear-lake",
        "temporal_scope": null,
        "value": {
          "basis": "Leave No Trace ethic; not asserted regulatory minimum",
          "recommended_feet": 200
        }
      },
      "evidence": [
        {
          "claim_id": "claim-emigrant-crabtree-bear-recommendation",
          "evidence_id": "evidence-emigrant-crabtree-bear-recommendation",
          "notes": "",
          "observation_id": "observation-emigrant-crabtree-bear-recommendation",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Minimum Camping Distance Map for Bear Lake, page 1 (2021 filename): 200 feet is the Leave No Trace recommended minimum distance, distinct from the 100-foot regulatory minimum.",
          "observation_id": "observation-emigrant-crabtree-bear-recommendation",
          "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-bear-camping-map"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Bear%20Lake%20-%20Minimum%20Camping%20Distances%202021.pdf",
          "publisher": "USDA Forest Service, Stanislaus National Forest",
          "source_id": "source-usfs-emigrant-bear-camping-map"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-emigrant-crabtree-bear-setback",
        "evidence_ids": [
          "evidence-emigrant-crabtree-bear-setback"
        ],
        "predicate": "camping_setback",
        "spatial_scope_ids": [
          "scope-waterbody-emigrant-bear-lake"
        ],
        "subject_id": "waterbody-emigrant-bear-lake",
        "temporal_scope": null,
        "value": {
          "from": [
            "water",
            "trails",
            "posted signs"
          ],
          "map_is_reference_only": true,
          "minimum_feet": 100
        }
      },
      "evidence": [
        {
          "claim_id": "claim-emigrant-crabtree-bear-setback",
          "evidence_id": "evidence-emigrant-crabtree-bear-setback",
          "notes": "",
          "observation_id": "observation-emigrant-crabtree-bear-setback",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Minimum Camping Distance Map for Bear Lake, page 1 (2021 filename): camping less than 100 feet from water, trails or posted signs is prohibited.",
          "observation_id": "observation-emigrant-crabtree-bear-setback",
          "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-bear-camping-map"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Bear%20Lake%20-%20Minimum%20Camping%20Distances%202021.pdf",
          "publisher": "USDA Forest Service, Stanislaus National Forest",
          "source_id": "source-usfs-emigrant-bear-camping-map"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "waterbody-emigrant-bear-lake",
      "kind": "waterbody",
      "name": "Bear Lake (Emigrant Wilderness)"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20261005-emigrant-crabtree-lakes",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/sources/source-usfs-emigrant-bear-camping-map.json",
      "reason": "Add bounded Crabtree lake approaches while preserving map precision and unresolved coverage.",
      "record_id": "source-usfs-emigrant-bear-camping-map",
      "record_type": "source",
      "summary": "Model shared Crabtree approaches to Camp and Bear lakes with conflicting mileage reports and lake camping rechecks."
    }
  ],
  "navigation": {
    "next_id": "source-usfs-emigrant-brightman-2020",
    "position": 528,
    "previous_id": "source-usfs-emigrant-alerts",
    "total": 587
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "Minimum Camping Distance Map for Bear Lake, page 1 (2021 filename): Camping near cliff edges directly above Bear Lake is prohibited.",
      "observation_id": "observation-emigrant-crabtree-bear-camping-exclusion",
      "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-bear-camping-map"
    },
    {
      "artifact_refs": [],
      "content": "Minimum Camping Distance Map for Bear Lake, page 1 (2021 filename): distance from water to camp is measured horizontally, not on the slope line.",
      "observation_id": "observation-emigrant-crabtree-bear-horizontal-distance",
      "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-bear-camping-map"
    },
    {
      "artifact_refs": [],
      "content": "Minimum Camping Distance Map for Bear Lake, page 1 (2021 filename): named lake in Emigrant Wilderness and system trail marked To Crabtree Trailhead. The system trail ends on the southwest approach to Bear Lake. No shoreline polygon, campsite inventory or live water availability is inferred.",
      "observation_id": "observation-emigrant-crabtree-bear-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-bear-camping-map"
    },
    {
      "artifact_refs": [],
      "content": "Minimum Camping Distance Map for Bear Lake, page 1 (2021 filename): 200 feet is the Leave No Trace recommended minimum distance, distinct from the 100-foot regulatory minimum.",
      "observation_id": "observation-emigrant-crabtree-bear-recommendation",
      "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-bear-camping-map"
    },
    {
      "artifact_refs": [],
      "content": "Minimum Camping Distance Map for Bear Lake, page 1 (2021 filename): camping less than 100 feet from water, trails or posted signs is prohibited.",
      "observation_id": "observation-emigrant-crabtree-bear-setback",
      "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-bear-camping-map"
    }
  ],
  "record": {
    "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Bear%20Lake%20-%20Minimum%20Camping%20Distances%202021.pdf",
    "publisher": "USDA Forest Service, Stanislaus National Forest",
    "source_id": "source-usfs-emigrant-bear-camping-map"
  },
  "record_type": "source",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Bear%20Lake%20-%20Minimum%20Camping%20Distances%202021.pdf",
      "publisher": "USDA Forest Service, Stanislaus National Forest",
      "source_id": "source-usfs-emigrant-bear-camping-map"
    }
  ]
}