{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-parker-lake-route-profile",
        "evidence_ids": [
          "evidence-parker-lake-route-profile"
        ],
        "predicate": "route_profile",
        "spatial_scope_ids": [
          "scope-route-parker-lake"
        ],
        "subject_id": "route-parker-lake",
        "temporal_scope": null,
        "value": {
          "destination": "Parker Lake",
          "one_way_miles": 1.8,
          "published_rating": "easiest",
          "round_trip_miles": 3.6
        }
      },
      "evidence": [
        {
          "claim_id": "claim-parker-lake-route-profile",
          "evidence_id": "evidence-parker-lake-route-profile",
          "notes": "",
          "observation_id": "observation-usfs-mono-basin-day-hikes-20260923",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The Mono Basin day-hike guide maps Parker Lake, Yost and Fern Lakes, and Lundy Canyon. Parker Lake is 1.8 miles one way. The Yost/Fern route splits 1.5 miles from its trailhead; Fern Lake is another 0.7 mile and Yost Lake another 2.3 miles. Lundy Canyon reaches 20 Lakes Basin in 5.4 miles one way; its bottom two-thirds are easier and its upper third climbs steep switchbacks. The guide publishes road and parking directions for each trailhead.",
          "observation_id": "observation-usfs-mono-basin-day-hikes-20260923",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-23T23:00:00+00:00",
          "source_id": "source-usfs-mono-basin-day-hikes"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/media/123306",
          "publisher": "USDA Forest Service",
          "source_id": "source-usfs-mono-basin-day-hikes"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "route-parker-lake",
      "kind": "route",
      "name": "Parker Lake Trail"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260923-eastern-sierra-foliage-hikes",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-parker-lake-route-profile.json",
      "reason": "Publish a source-backed access and route foundation for Eastern Sierra fall-foliage day-hike alternatives near East Fork Campground.",
      "record_id": "claim-parker-lake-route-profile",
      "record_type": "claim",
      "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": "claim-parsons-lodge-soda-springs-published-profile",
    "position": 1263,
    "previous_id": "claim-park-yosemite-national-park-boundary-geometry-20260924",
    "total": 3965
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "The Mono Basin day-hike guide maps Parker Lake, Yost and Fern Lakes, and Lundy Canyon. Parker Lake is 1.8 miles one way. The Yost/Fern route splits 1.5 miles from its trailhead; Fern Lake is another 0.7 mile and Yost Lake another 2.3 miles. Lundy Canyon reaches 20 Lakes Basin in 5.4 miles one way; its bottom two-thirds are easier and its upper third climbs steep switchbacks. The guide publishes road and parking directions for each trailhead.",
      "observation_id": "observation-usfs-mono-basin-day-hikes-20260923",
      "observed_at": null,
      "observer": "",
      "retrieved_at": "2026-09-23T23:00:00+00:00",
      "source_id": "source-usfs-mono-basin-day-hikes"
    }
  ],
  "record": {
    "claim_id": "claim-parker-lake-route-profile",
    "evidence_ids": [
      "evidence-parker-lake-route-profile"
    ],
    "predicate": "route_profile",
    "spatial_scope_ids": [
      "scope-route-parker-lake"
    ],
    "subject_id": "route-parker-lake",
    "temporal_scope": null,
    "value": {
      "destination": "Parker Lake",
      "one_way_miles": 1.8,
      "published_rating": "easiest",
      "round_trip_miles": 3.6
    }
  },
  "record_type": "claim",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.fs.usda.gov/media/123306",
      "publisher": "USDA Forest Service",
      "source_id": "source-usfs-mono-basin-day-hikes"
    }
  ]
}