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    },
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      "entity_id": "route-wapama-falls",
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      "name": "Wapama Falls"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260925-yosemite-hetch-hetchy-depth",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/sources/source-nps-yosemite-hetch-hetchy-hikes.json",
      "reason": "Add reviewed Hetch Hetchy planning depth.",
      "record_id": "source-nps-yosemite-hetch-hetchy-hikes",
      "record_type": "source",
      "summary": "Add official-source Hetch Hetchy routes, access, reservoir rules, facilities, dated operational evidence, reviewed map points, and explicit gaps."
    }
  ],
  "navigation": {
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    {
      "locator": "https://www.nps.gov/yose/planyourvisit/hetchhetchy.htm",
      "publisher": "National Park Service",
      "source_id": "source-nps-yosemite-hetch-hetchy-hikes"
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}