{
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    {
      "claim": {
        "claim_id": "claim-route-segment-upper-rock-creek-canyon-05",
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        ],
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        ],
        "subject_id": "route-segment-upper-rock-creek-canyon-05",
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        "value": {
          "coordinate_reference_system": "EPSG:4269",
          "dataset_feature_id": "{1A764789-E62E-4CEA-A1F4-40B2AB50BF99}",
          "dataset_feature_name": "UPPER ROCK CREEK CANYON",
          "dataset_field": "lengthmiles",
          "distance_miles": 0.00201986,
          "distance_status": "known",
          "end_coordinate": {
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            "longitude": -118.7247143844894
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          },
          "route_role": "official_mainline",
          "source_data_description": "USFS Trails Update 03/2026",
          "source_dataset_id": "{8CC4DB36-D0BE-4189-88C7-64C3569EB754}",
          "source_edit_date": 1774742400000,
          "source_feature_id": "2773",
          "source_load_date": 1777310283000,
          "source_originator": "U.S. Forest Service",
          "start_coordinate": {
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        }
      },
      "evidence": [
        {
          "claim_id": "claim-route-segment-upper-rock-creek-canyon-05",
          "evidence_id": "evidence-route-segment-upper-rock-creek-canyon-05",
          "notes": "",
          "observation_id": "observation-usgs-rock-creek-route-extensions-20260924",
          "stance": "supports"
        }
      ],
      "observations": [
        {
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          ],
          "content": "A bounded National Digital Trails result contains nine contiguous Upper Rock Creek Canyon features plus named Chickenfoot Lake and Gem Lakes spurs. Eleven reviewed features and source-field lengths are retained without proximity snapping or inferred mainline cuts.",
          "observation_id": "observation-usgs-rock-creek-route-extensions-20260924",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-24T02:00:00+00:00",
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        }
      ],
      "sources": [
        {
          "locator": "https://partnerships.nationalmap.gov/arcgis/rest/services/USGSTrails/MapServer/0",
          "publisher": "U.S. Geological Survey / U.S. Forest Service",
          "source_id": "source-usgs-national-digital-trails-rock-creek-extensions-20260924"
        }
      ],
      "subject": {
        "entity_id": "route-segment-upper-rock-creek-canyon-05",
        "kind": "route_segment",
        "name": "Upper Rock Creek Canyon segment 5"
      }
    }
  ],
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    "name": "Upper Rock Creek Canyon segment 5"
  },
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      "record_type": "entity",
      "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."
    },
    {
      "action": "ADD",
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    }
  ],
  "journey": [],
  "knowledge_gaps": [],
  "reference_evidence": [],
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}
