{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-convict-canyon-route-profile",
        "evidence_ids": [
          "evidence-convict-canyon-route-profile"
        ],
        "predicate": "route_profile",
        "spatial_scope_ids": [
          "scope-route-convict-canyon"
        ],
        "subject_id": "route-convict-canyon",
        "temporal_scope": null,
        "value": {
          "alignment": "north shore of Convict Lake into Convict Canyon",
          "destinations_one_way_miles": {
            "Dorothy Lake": 6,
            "Mildred Lake": 5
          },
          "hazardous_stream_crossing_within_miles": 3
        }
      },
      "evidence": [
        {
          "claim_id": "claim-convict-canyon-route-profile",
          "evidence_id": "evidence-convict-canyon-route-profile",
          "notes": "",
          "observation_id": "observation-usfs-convict-wilderness-hiking-20260923",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The Convict Lake trailhead is about seven miles south of Mammoth Lakes. The route follows Convict Lake's north shore into a rugged canyon. A hazardous stream crossing occurs within three miles; Mildred Lake is five miles one way and Dorothy Lake six miles one way. Trailhead and overflow parking directions are published, and overnight wilderness stays require a permit.",
          "observation_id": "observation-usfs-convict-wilderness-hiking-20260923",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-23T23:00:00+00:00",
          "source_id": "source-usfs-convict-wilderness-hiking"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/media/123390",
          "publisher": "USDA Forest Service",
          "source_id": "source-usfs-convict-wilderness-hiking"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-convict-trailhead-access",
        "evidence_ids": [
          "evidence-convict-trailhead-access"
        ],
        "predicate": "access_profile",
        "spatial_scope_ids": [
          "scope-trailhead-convict-lake"
        ],
        "subject_id": "trailhead-convict-lake",
        "temporal_scope": null,
        "value": {
          "from": "US 395 Convict Lake exit",
          "overflow_parking": "south end of resort",
          "parking": true,
          "road_distance_miles": 2
        }
      },
      "evidence": [
        {
          "claim_id": "claim-convict-trailhead-access",
          "evidence_id": "evidence-convict-trailhead-access",
          "notes": "",
          "observation_id": "observation-usfs-convict-wilderness-hiking-20260923",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The Convict Lake trailhead is about seven miles south of Mammoth Lakes. The route follows Convict Lake's north shore into a rugged canyon. A hazardous stream crossing occurs within three miles; Mildred Lake is five miles one way and Dorothy Lake six miles one way. Trailhead and overflow parking directions are published, and overnight wilderness stays require a permit.",
          "observation_id": "observation-usfs-convict-wilderness-hiking-20260923",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-23T23:00:00+00:00",
          "source_id": "source-usfs-convict-wilderness-hiking"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/media/123390",
          "publisher": "USDA Forest Service",
          "source_id": "source-usfs-convict-wilderness-hiking"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "route-convict-canyon",
      "kind": "route",
      "name": "Convict Canyon Trail"
    },
    {
      "entity_id": "trailhead-convict-lake",
      "kind": "trailhead",
      "name": "Convict Lake Trailhead"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260923-eastern-sierra-foliage-hikes",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/observations/observation-usfs-convict-wilderness-hiking-20260923.json",
      "reason": "Publish a source-backed access and route foundation for Eastern Sierra fall-foliage day-hike alternatives near East Fork Campground.",
      "record_id": "observation-usfs-convict-wilderness-hiking-20260923",
      "record_type": "observation",
      "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": "observation-usfs-east-fork-20260923",
    "position": 1269,
    "previous_id": "observation-usfs-convict-open-status-20260925",
    "total": 1318
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "The Convict Lake trailhead is about seven miles south of Mammoth Lakes. The route follows Convict Lake's north shore into a rugged canyon. A hazardous stream crossing occurs within three miles; Mildred Lake is five miles one way and Dorothy Lake six miles one way. Trailhead and overflow parking directions are published, and overnight wilderness stays require a permit.",
      "observation_id": "observation-usfs-convict-wilderness-hiking-20260923",
      "observed_at": null,
      "observer": "",
      "retrieved_at": "2026-09-23T23:00:00+00:00",
      "source_id": "source-usfs-convict-wilderness-hiking"
    }
  ],
  "record": {
    "artifact_refs": [],
    "content": "The Convict Lake trailhead is about seven miles south of Mammoth Lakes. The route follows Convict Lake's north shore into a rugged canyon. A hazardous stream crossing occurs within three miles; Mildred Lake is five miles one way and Dorothy Lake six miles one way. Trailhead and overflow parking directions are published, and overnight wilderness stays require a permit.",
    "observation_id": "observation-usfs-convict-wilderness-hiking-20260923",
    "observed_at": null,
    "observer": "",
    "retrieved_at": "2026-09-23T23:00:00+00:00",
    "source_id": "source-usfs-convict-wilderness-hiking"
  },
  "record_type": "observation",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.fs.usda.gov/media/123390",
      "publisher": "USDA Forest Service",
      "source_id": "source-usfs-convict-wilderness-hiking"
    }
  ]
}