{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-route-segment-lassen-terminal-second-y-boiling-junction",
        "evidence_ids": [
          "evidence-route-segment-lassen-terminal-second-y-boiling-junction-1",
          "evidence-route-segment-lassen-terminal-second-y-boiling-junction-2"
        ],
        "predicate": "described_route_connector",
        "spatial_scope_ids": [
          "scope-route-terminal-geyser-trail"
        ],
        "subject_id": "route-segment-lassen-terminal-second-y-boiling-junction",
        "temporal_scope": null,
        "value": {
          "distance_miles": null,
          "distance_status": "not_printed",
          "route_role": "official_mainline"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-route-segment-lassen-terminal-second-y-boiling-junction",
          "evidence_id": "evidence-route-segment-lassen-terminal-second-y-boiling-junction-1",
          "notes": "The route description supplies ordered junctions; the brochure map corroborates the network connection without supplying atomic mileage.",
          "observation_id": "observation-nps-lassen-brochure-map-2015-20260923",
          "stance": "supports"
        },
        {
          "claim_id": "claim-route-segment-lassen-terminal-second-y-boiling-junction",
          "evidence_id": "evidence-route-segment-lassen-terminal-second-y-boiling-junction-2",
          "notes": "The route description supplies ordered junctions; the brochure map corroborates the network connection without supplying atomic mileage.",
          "observation_id": "observation-nps-lassen-terminal-geyser-trail-20260923",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "https://www.nps.gov/lavo/planyourvisit/maps.htm",
            "https://www.nps.gov/lavo/planyourvisit/park-brochure.htm"
          ],
          "content": "The NPS brochure map depicts the Warner Valley trail network, including the Pacific Crest Trail, Drakesbad, Devils Kitchen, Dream Lake, Boiling Springs Lake, Terminal Geyser, and the connecting trail junction pattern. The map does not print atomic mileage for these connectors.",
          "observation_id": "observation-nps-lassen-brochure-map-2015-20260923",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-23T07:30:00+00:00",
          "source_id": "source-nps-lassen-brochure-map-2015-mirror"
        },
        {
          "artifact_refs": [],
          "content": "Terminal Geyser Trail starts at Warner Valley Trailhead and is 5.8 miles round trip. It follows the PCT to a y-junction serving Dream Lake, Devils Kitchen, and a horse trail, then veers left toward Boiling Springs Lake. A second y-junction is at 0.9 mile, followed by a signed three-way junction southeast of Boiling Springs Lake. At 2.5 miles the route rejoins the PCT; about 25 feet later another junction sends the PCT toward Little Willow Lake while the Terminal Geyser route continues ahead.",
          "observation_id": "observation-nps-lassen-terminal-geyser-trail-20260923",
          "observed_at": null,
          "observer": "",
          "retrieved_at": "2026-09-23T07:30:00+00:00",
          "source_id": "source-nps-lassen-terminal-geyser-trail"
        }
      ],
      "sources": [
        {
          "locator": "https://commons.wikimedia.org/wiki/File:NPS_lassen-volcanic-map.pdf",
          "publisher": "U.S. National Park Service; public-domain map hosted by Wikimedia Commons",
          "source_id": "source-nps-lassen-brochure-map-2015-mirror"
        },
        {
          "locator": "https://www.nps.gov/lavo/planyourvisit/hiking_terminal_geyser.htm",
          "publisher": "National Park Service",
          "source_id": "source-nps-lassen-terminal-geyser-trail"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "route-segment-lassen-terminal-second-y-boiling-junction",
      "kind": "route_segment",
      "name": "0.9-mile junction to junction southeast of Boiling Springs Lake"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260923-lassen-warner-valley-route-graph",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-route-segment-lassen-terminal-second-y-boiling-junction.json",
      "reason": "Publish an evidence-bounded Warner Valley segment graph for Devils Kitchen and Terminal Geyser while preserving unprinted leg distances as unknown.",
      "record_id": "claim-route-segment-lassen-terminal-second-y-boiling-junction",
      "record_type": "claim",
      "summary": "Add the shared Warner Valley segment topology for Devils Kitchen and Terminal Geyser, preserve printed cumulative milepoints, and narrow the remaining Lassen route-topology gap."
    }
  ],
  "navigation": {
    "next_id": "claim-route-segment-lassen-warner-start-first-y",
    "position": 3169,
    "previous_id": "claim-route-segment-lassen-terminal-pct-rejoin-divergence",
    "total": 3965
  },
  "observations": [
    {
      "artifact_refs": [
        "https://www.nps.gov/lavo/planyourvisit/maps.htm",
        "https://www.nps.gov/lavo/planyourvisit/park-brochure.htm"
      ],
      "content": "The NPS brochure map depicts the Warner Valley trail network, including the Pacific Crest Trail, Drakesbad, Devils Kitchen, Dream Lake, Boiling Springs Lake, Terminal Geyser, and the connecting trail junction pattern. The map does not print atomic mileage for these connectors.",
      "observation_id": "observation-nps-lassen-brochure-map-2015-20260923",
      "observed_at": null,
      "observer": "",
      "retrieved_at": "2026-09-23T07:30:00+00:00",
      "source_id": "source-nps-lassen-brochure-map-2015-mirror"
    },
    {
      "artifact_refs": [],
      "content": "Terminal Geyser Trail starts at Warner Valley Trailhead and is 5.8 miles round trip. It follows the PCT to a y-junction serving Dream Lake, Devils Kitchen, and a horse trail, then veers left toward Boiling Springs Lake. A second y-junction is at 0.9 mile, followed by a signed three-way junction southeast of Boiling Springs Lake. At 2.5 miles the route rejoins the PCT; about 25 feet later another junction sends the PCT toward Little Willow Lake while the Terminal Geyser route continues ahead.",
      "observation_id": "observation-nps-lassen-terminal-geyser-trail-20260923",
      "observed_at": null,
      "observer": "",
      "retrieved_at": "2026-09-23T07:30:00+00:00",
      "source_id": "source-nps-lassen-terminal-geyser-trail"
    }
  ],
  "record": {
    "claim_id": "claim-route-segment-lassen-terminal-second-y-boiling-junction",
    "evidence_ids": [
      "evidence-route-segment-lassen-terminal-second-y-boiling-junction-1",
      "evidence-route-segment-lassen-terminal-second-y-boiling-junction-2"
    ],
    "predicate": "described_route_connector",
    "spatial_scope_ids": [
      "scope-route-terminal-geyser-trail"
    ],
    "subject_id": "route-segment-lassen-terminal-second-y-boiling-junction",
    "temporal_scope": null,
    "value": {
      "distance_miles": null,
      "distance_status": "not_printed",
      "route_role": "official_mainline"
    }
  },
  "record_type": "claim",
  "related_records": [],
  "sources": [
    {
      "locator": "https://commons.wikimedia.org/wiki/File:NPS_lassen-volcanic-map.pdf",
      "publisher": "U.S. National Park Service; public-domain map hosted by Wikimedia Commons",
      "source_id": "source-nps-lassen-brochure-map-2015-mirror"
    },
    {
      "locator": "https://www.nps.gov/lavo/planyourvisit/hiking_terminal_geyser.htm",
      "publisher": "National Park Service",
      "source_id": "source-nps-lassen-terminal-geyser-trail"
    }
  ]
}