{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-route-upper-rock-creek-canyon-official-profile",
        "evidence_ids": [
          "evidence-route-upper-rock-creek-canyon-official-profile"
        ],
        "predicate": "route_profile",
        "spatial_scope_ids": [
          "scope-route-upper-rock-creek-canyon"
        ],
        "subject_id": "route-upper-rock-creek-canyon",
        "temporal_scope": null,
        "value": {
          "bidirectional": true,
          "continues_as": "route-tamarack-lakes-rock-creek",
          "natural_water_requires_treatment": true,
          "north_end": "near East Fork Campground",
          "parking": [
            "East Fork Campground vicinity",
            "Rock Creek Lake parking lot"
          ],
          "south_end": "south end of Rock Creek Lake",
          "trail_type": "standard terra trail"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-route-upper-rock-creek-canyon-official-profile",
          "evidence_id": "evidence-route-upper-rock-creek-canyon-official-profile",
          "notes": "",
          "observation_id": "observation-usfs-upper-rock-creek-canyon-trail-20260924",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The official trail page places the north end near East Fork Campground and the south end at Rock Creek Lake, says the Tamarack Lakes trail continues into wilderness, identifies campground or lake parking, describes a standard terra trail, and requires treatment of natural water.",
          "observation_id": "observation-usfs-upper-rock-creek-canyon-trail-20260924",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-24T02:00:00+00:00",
          "source_id": "source-usfs-upper-rock-creek-canyon-trail"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/r05/inyo/recreation/trails/upper-rock-creek-canyon-trail",
          "publisher": "USDA Forest Service, Inyo National Forest",
          "source_id": "source-usfs-upper-rock-creek-canyon-trail"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "route-upper-rock-creek-canyon",
      "kind": "route",
      "name": "Upper Rock Creek Canyon Trail"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260924-rock-creek-route-and-summit-depth",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/sources/source-usfs-upper-rock-creek-canyon-trail.json",
      "reason": "Add source-backed Upper Rock Creek topology, measured Little Lakes spurs, and planning-grade summit approaches.",
      "record_id": "source-usfs-upper-rock-creek-canyon-trail",
      "record_type": "source",
      "summary": "Add the nine-segment Upper Rock Creek Canyon graph, source-measured Chickenfoot and Gem spurs without inferred mainline cuts, and qualified summit approach profiles for five nearby peaks."
    }
  ],
  "navigation": {
    "next_id": "source-usgs-3dep-rock-creek-20260923",
    "position": 575,
    "previous_id": "source-usfs-upper-pine-grove-rock-creek",
    "total": 587
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "The official trail page places the north end near East Fork Campground and the south end at Rock Creek Lake, says the Tamarack Lakes trail continues into wilderness, identifies campground or lake parking, describes a standard terra trail, and requires treatment of natural water.",
      "observation_id": "observation-usfs-upper-rock-creek-canyon-trail-20260924",
      "observed_at": null,
      "observer": "",
      "retrieved_at": "2026-09-24T02:00:00+00:00",
      "source_id": "source-usfs-upper-rock-creek-canyon-trail"
    }
  ],
  "record": {
    "locator": "https://www.fs.usda.gov/r05/inyo/recreation/trails/upper-rock-creek-canyon-trail",
    "publisher": "USDA Forest Service, Inyo National Forest",
    "source_id": "source-usfs-upper-rock-creek-canyon-trail"
  },
  "record_type": "source",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.fs.usda.gov/r05/inyo/recreation/trails/upper-rock-creek-canyon-trail",
      "publisher": "USDA Forest Service, Inyo National Forest",
      "source_id": "source-usfs-upper-rock-creek-canyon-trail"
    }
  ]
}