{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-quarry-lakes-visitor-profile",
        "evidence_ids": [
          "evidence-ebrpd-quarry-lakes-visitor-profile"
        ],
        "predicate": "visitor_profile",
        "spatial_scope_ids": [
          "scope-quarry-lakes-regional-recreation-area"
        ],
        "subject_id": "park-quarry-lakes-regional-recreation-area",
        "temporal_scope": null,
        "value": {
          "access": [
            "main entrance",
            "Niles Beach",
            "boat launch",
            "ADA fishing pier",
            "two Alameda Creek Trail walk-in entrances"
          ],
          "accessible_facilities": [
            "beach wheelchair",
            "Horseshoe Lake fishing pier",
            "Niles Beach facilities",
            "Ensenada Pavilion",
            "Orchard picnic area",
            "Rock picnic-area restrooms and fountain"
          ],
          "acreage": {
            "lakes": 350,
            "total": 471
          },
          "activities": [
            "biking",
            "boating",
            "dogs",
            "fishing",
            "geocaching",
            "hiking",
            "kid-friendly",
            "picnicking",
            "swimming"
          ],
          "address": "2100 Isherwood Way, Fremont, CA 94536",
          "bus_fee_usd": 25,
          "curfew": "22:00–05:00",
          "parking_fee_usd": 5,
          "payment": "cashless",
          "seasonal_gate_hours": "06:00 or 07:00 opening; closing varies from 17:00 to 20:00",
          "trailered_vehicle_fee_usd": 5,
          "water_rules": {
            "lago_los_osos_water_contact": false,
            "rainbow_lake_swimming": false,
            "shinn_pond_swimming": false,
            "swimming": "Niles Beach swim ropes only",
            "watercraft_inspection_required": true
          }
        }
      },
      "evidence": [
        {
          "claim_id": "claim-quarry-lakes-visitor-profile",
          "evidence_id": "evidence-ebrpd-quarry-lakes-visitor-profile",
          "notes": "Direct transcription and conservative structuring of planning-relevant fields from the official park page.",
          "observation_id": "observation-ebrpd-quarry-lakes-visitor-profile",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Overview",
            "To Reach The Park",
            "Attractions"
          ],
          "content": "The live park page publishes the visitor profile represented by the associated claim, including access, operating information, facilities, and material restrictions.",
          "observation_id": "observation-ebrpd-quarry-lakes-visitor-profile",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-20T07:00:00+00:00",
          "source_id": "source-ebrpd-quarry-lakes-park-page"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/parks/quarry-lakes",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-quarry-lakes-park-page"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "park-quarry-lakes-regional-recreation-area",
      "kind": "park",
      "name": "Quarry Lakes Regional Recreation Area"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260921-ebrpd-parks-batch-12",
      "evidence_refs": [
        "evidence-ebrpd-quarry-lakes-visitor-profile"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-quarry-lakes-visitor-profile.json",
      "reason": "Add a deduplicated planning profile from the live EBRPD preserve page reviewed on 2026-09-20.",
      "record_id": "claim-quarry-lakes-visitor-profile",
      "record_type": "claim",
      "summary": "Add four additional previously uncaptured EBRPD park visitor profiles."
    }
  ],
  "navigation": {
    "next_id": "claim-quarry-lakes-watercraft-inspection",
    "position": 1305,
    "previous_id": "claim-quarry-lakes-accessibility",
    "total": 3965
  },
  "observations": [
    {
      "artifact_refs": [
        "Overview",
        "To Reach The Park",
        "Attractions"
      ],
      "content": "The live park page publishes the visitor profile represented by the associated claim, including access, operating information, facilities, and material restrictions.",
      "observation_id": "observation-ebrpd-quarry-lakes-visitor-profile",
      "observed_at": null,
      "observer": "Wayproof live source review",
      "retrieved_at": "2026-09-20T07:00:00+00:00",
      "source_id": "source-ebrpd-quarry-lakes-park-page"
    }
  ],
  "record": {
    "claim_id": "claim-quarry-lakes-visitor-profile",
    "evidence_ids": [
      "evidence-ebrpd-quarry-lakes-visitor-profile"
    ],
    "predicate": "visitor_profile",
    "spatial_scope_ids": [
      "scope-quarry-lakes-regional-recreation-area"
    ],
    "subject_id": "park-quarry-lakes-regional-recreation-area",
    "temporal_scope": null,
    "value": {
      "access": [
        "main entrance",
        "Niles Beach",
        "boat launch",
        "ADA fishing pier",
        "two Alameda Creek Trail walk-in entrances"
      ],
      "accessible_facilities": [
        "beach wheelchair",
        "Horseshoe Lake fishing pier",
        "Niles Beach facilities",
        "Ensenada Pavilion",
        "Orchard picnic area",
        "Rock picnic-area restrooms and fountain"
      ],
      "acreage": {
        "lakes": 350,
        "total": 471
      },
      "activities": [
        "biking",
        "boating",
        "dogs",
        "fishing",
        "geocaching",
        "hiking",
        "kid-friendly",
        "picnicking",
        "swimming"
      ],
      "address": "2100 Isherwood Way, Fremont, CA 94536",
      "bus_fee_usd": 25,
      "curfew": "22:00–05:00",
      "parking_fee_usd": 5,
      "payment": "cashless",
      "seasonal_gate_hours": "06:00 or 07:00 opening; closing varies from 17:00 to 20:00",
      "trailered_vehicle_fee_usd": 5,
      "water_rules": {
        "lago_los_osos_water_contact": false,
        "rainbow_lake_swimming": false,
        "shinn_pond_swimming": false,
        "swimming": "Niles Beach swim ropes only",
        "watercraft_inspection_required": true
      }
    }
  },
  "record_type": "claim",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/parks/quarry-lakes",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-quarry-lakes-park-page"
    }
  ]
}