{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-emigrant-western-crabtree-gem-conditions",
        "evidence_ids": [
          "evidence-emigrant-western-crabtree-gem-conditions"
        ],
        "predicate": "pretrip_current_conditions_recheck",
        "spatial_scope_ids": [
          "scope-route-emigrant-crabtree-gem-lake"
        ],
        "subject_id": "route-emigrant-crabtree-gem-lake",
        "temporal_scope": null,
        "value": {
          "current_status": "unknown",
          "required": true,
          "topics": [
            "access roads",
            "trail and crossings",
            "water",
            "fire restrictions",
            "snow and closures"
          ]
        }
      },
      "evidence": [
        {
          "claim_id": "claim-emigrant-western-crabtree-gem-conditions",
          "evidence_id": "evidence-emigrant-western-crabtree-gem-conditions",
          "notes": "",
          "observation_id": "observation-emigrant-western-crabtree-gem-conditions",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Forest alert index requires current order and map review. Historical maps do not establish present road, snow, crossing, water, fire or trail status.",
          "observation_id": "observation-emigrant-western-crabtree-gem-conditions",
          "observed_at": null,
          "observer": "Wayproof primary-source text, georeferenced map and named-feature review",
          "retrieved_at": "2026-10-06T07:44:34+00:00",
          "source_id": "source-usfs-emigrant-alerts"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts",
          "publisher": "USDA Forest Service, Stanislaus National Forest",
          "source_id": "source-usfs-emigrant-alerts"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-emigrant-western-crabtree-gem-profile",
        "evidence_ids": [
          "evidence-emigrant-western-crabtree-gem-profile"
        ],
        "predicate": "route_description",
        "spatial_scope_ids": [
          "scope-route-emigrant-crabtree-gem-lake"
        ],
        "subject_id": "route-emigrant-crabtree-gem-lake",
        "temporal_scope": null,
        "value": {
          "current_conditions": "unknown",
          "directionality": "bidirectional mapped trail",
          "end_node_id": "route-node-emigrant-gem-east-approach",
          "endpoint_status": "reviewed trail approach; not lake centroid or campsite",
          "entry_id": "trailhead-emigrant-crabtree",
          "name_status": "Wayproof descriptive approach",
          "objective_id": "waterbody-emigrant-gem-lake",
          "source_edition": "2010"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-emigrant-western-crabtree-gem-profile",
          "evidence_id": "evidence-emigrant-western-crabtree-gem-profile",
          "notes": "",
          "observation_id": "observation-emigrant-western-crabtree-gem-profile",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "2010 Emigrant Wilderness map, western panel: Crabtree to Gem Lake follows the explicitly drawn trail network. Detailed segment claims retain the reviewed trail numbers and junctions. This is a Wayproof descriptive approach, not an asserted official route name.",
          "observation_id": "observation-emigrant-western-crabtree-gem-profile",
          "observed_at": null,
          "observer": "Wayproof primary-source text, georeferenced map and named-feature review",
          "retrieved_at": "2026-10-06T07:44:34+00:00",
          "source_id": "source-usfs-emigrant-overview-map"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Emigrant%20Wilderness%20GEOSPATIAL.pdf",
          "publisher": "USDA Forest Service, Stanislaus National Forest",
          "source_id": "source-usfs-emigrant-overview-map"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "route-emigrant-crabtree-gem-lake",
      "kind": "route",
      "name": "Crabtree to Gem Lake"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20261006-emigrant-western-coverage",
      "evidence_refs": [],
      "knowledge_gap_refs": [
        "gap-emigrant-western-crabtree-gem-planning"
      ],
      "path": "canonical/v0/gaps/gap-emigrant-western-crabtree-gem-planning.json",
      "reason": "Add bounded western approach, geometry and facility evidence; retain unresolved planning limits.",
      "record_id": "gap-emigrant-western-crabtree-gem-planning",
      "record_type": "gap",
      "summary": "Add six drawable western Emigrant approaches with shared physical segments, lake camping evidence and historical trailhead facilities."
    }
  ],
  "navigation": {
    "next_id": "gap-emigrant-western-crabtree-grouse-planning",
    "position": 208,
    "previous_id": "gap-emigrant-western-crabtree-chewing-gum-planning",
    "total": 299
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "Forest alert index requires current order and map review. Historical maps do not establish present road, snow, crossing, water, fire or trail status.",
      "observation_id": "observation-emigrant-western-crabtree-gem-conditions",
      "observed_at": null,
      "observer": "Wayproof primary-source text, georeferenced map and named-feature review",
      "retrieved_at": "2026-10-06T07:44:34+00:00",
      "source_id": "source-usfs-emigrant-alerts"
    },
    {
      "artifact_refs": [],
      "content": "2010 Emigrant Wilderness map, western panel: Crabtree to Gem Lake follows the explicitly drawn trail network. Detailed segment claims retain the reviewed trail numbers and junctions. This is a Wayproof descriptive approach, not an asserted official route name.",
      "observation_id": "observation-emigrant-western-crabtree-gem-profile",
      "observed_at": null,
      "observer": "Wayproof primary-source text, georeferenced map and named-feature review",
      "retrieved_at": "2026-10-06T07:44:34+00:00",
      "source_id": "source-usfs-emigrant-overview-map"
    }
  ],
  "record": {
    "gap_id": "gap-emigrant-western-crabtree-gem-planning",
    "question": "What remains unverified for Crabtree to Gem Lake?",
    "reason": "Approach topology and display geometry are represented; no complete mileage, return itinerary, shoreline circulation, legal individual campsite, drinkable water or current trail clearance is established. Printed destination totals may end at a different point from the descriptive display endpoint. Recheck the route and intended endpoint with the Forest Service.",
    "related_ids": [
      "claim-emigrant-western-crabtree-gem-profile",
      "claim-emigrant-western-crabtree-gem-conditions"
    ]
  },
  "record_type": "gap",
  "related_records": [
    {
      "record": {
        "claim_id": "claim-emigrant-western-crabtree-gem-profile",
        "evidence_ids": [
          "evidence-emigrant-western-crabtree-gem-profile"
        ],
        "predicate": "route_description",
        "spatial_scope_ids": [
          "scope-route-emigrant-crabtree-gem-lake"
        ],
        "subject_id": "route-emigrant-crabtree-gem-lake",
        "temporal_scope": null,
        "value": {
          "current_conditions": "unknown",
          "directionality": "bidirectional mapped trail",
          "end_node_id": "route-node-emigrant-gem-east-approach",
          "endpoint_status": "reviewed trail approach; not lake centroid or campsite",
          "entry_id": "trailhead-emigrant-crabtree",
          "name_status": "Wayproof descriptive approach",
          "objective_id": "waterbody-emigrant-gem-lake",
          "source_edition": "2010"
        }
      },
      "record_id": "claim-emigrant-western-crabtree-gem-profile",
      "record_type": "claim"
    },
    {
      "record": {
        "claim_id": "claim-emigrant-western-crabtree-gem-conditions",
        "evidence_ids": [
          "evidence-emigrant-western-crabtree-gem-conditions"
        ],
        "predicate": "pretrip_current_conditions_recheck",
        "spatial_scope_ids": [
          "scope-route-emigrant-crabtree-gem-lake"
        ],
        "subject_id": "route-emigrant-crabtree-gem-lake",
        "temporal_scope": null,
        "value": {
          "current_status": "unknown",
          "required": true,
          "topics": [
            "access roads",
            "trail and crossings",
            "water",
            "fire restrictions",
            "snow and closures"
          ]
        }
      },
      "record_id": "claim-emigrant-western-crabtree-gem-conditions",
      "record_type": "claim"
    }
  ],
  "sources": [
    {
      "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts",
      "publisher": "USDA Forest Service, Stanislaus National Forest",
      "source_id": "source-usfs-emigrant-alerts"
    },
    {
      "locator": "https://www.fs.usda.gov/sites/nfs/files/legacy-media/stanislaus/Emigrant%20Wilderness%20GEOSPATIAL.pdf",
      "publisher": "USDA Forest Service, Stanislaus National Forest",
      "source_id": "source-usfs-emigrant-overview-map"
    }
  ]
}