{
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    {
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          "rv_full_hookup": 21,
          "total": 150
        }
      },
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        {
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          "notes": "",
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        },
        {
          "claim_id": "claim-del-valle-campground-inventory",
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        },
        {
          "claim_id": "claim-del-valle-campground-inventory",
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          "notes": "",
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        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The page describes Del Valle Family Campground as 150 campsites: 21 RV sites with full hookups, 124 drive-up tent sites, and five cabins, served by centrally located toilets and showers.",
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        },
        {
          "artifact_refs": [],
          "content": "The EBRPD page states that the family campground has 150 sites, including two accessible sites and 21 sites with water, sewage, and 120-volt 50/30-amp electrical hookups; toilets and showers are centrally located. It separately states that five cabin sites take up to eight people and sleep five.",
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        },
        {
          "artifact_refs": [],
          "content": "The current camping page lists 150 family sites: 21 full-hookup RV sites, 124 drive-up tent sites, and five cabins; all family sites allow at most eight people and two vehicles.",
          "observation_id": "observation-del-valle-camping-inventory",
          "observed_at": null,
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-del-valle-camping"
        }
      ],
      "sources": [
        {
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          "publisher": "ReserveAmerica / East Bay Regional Park District",
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          "locator": "https://www.ebparks.org/parks/del-valle",
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        },
        {
          "locator": "https://www.ebparks.org/parks/del-valle/camping",
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          "source_id": "source-ebrpd-del-valle-camping"
        }
      ]
    },
    {
      "claim": {
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        ],
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        "temporal_scope": null,
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          "toilets",
          "showers"
        ]
      },
      "evidence": [
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          "claim_id": "claim-del-valle-campground-sanitation",
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          "notes": "",
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        },
        {
          "claim_id": "claim-del-valle-campground-sanitation",
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          "notes": "",
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        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The page describes Del Valle Family Campground as 150 campsites: 21 RV sites with full hookups, 124 drive-up tent sites, and five cabins, served by centrally located toilets and showers.",
          "observation_id": "observation-del-valle-campground-inventory",
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          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "artifact_refs": [],
          "content": "The EBRPD page states that the family campground has 150 sites, including two accessible sites and 21 sites with water, sewage, and 120-volt 50/30-amp electrical hookups; toilets and showers are centrally located. It separately states that five cabin sites take up to eight people and sleep five.",
          "observation_id": "observation-del-valle-ebrpd-campground",
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      ],
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        {
          "locator": "https://www.reserveamerica.com/explore/del-valle/EB/110003/overview",
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        },
        {
          "locator": "https://www.ebparks.org/parks/del-valle",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-park-page"
        }
      ]
    },
    {
      "claim": {
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        ],
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          "maximum_advance_weeks": 12,
          "maximum_people_per_site": 8,
          "minimum_advance_business_days": 3,
          "reservation_channel": "phone_only",
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          "year_round_pilot": true
        }
      },
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        {
          "claim_id": "claim-del-valle-ebrpd-cabins",
          "evidence_id": "evidence-del-valle-ebrpd-cabins",
          "notes": "",
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          "stance": "supports"
        },
        {
          "claim_id": "claim-del-valle-ebrpd-cabins",
          "evidence_id": "evidence-del-valle-camping-current-cabins",
          "notes": "",
          "observation_id": "observation-del-valle-cabin-faq-operations",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The EBRPD page states that the family campground has 150 sites, including two accessible sites and 21 sites with water, sewage, and 120-volt 50/30-amp electrical hookups; toilets and showers are centrally located. It separately states that five cabin sites take up to eight people and sleep five.",
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          "observed_at": null,
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          "source_id": "source-ebrpd-del-valle-park-page"
        },
        {
          "artifact_refs": [],
          "content": "The FAQ describes five year-round pilot cabins, phone-only booking three business days to twelve weeks ahead, prices, deposits, stay limits, occupancy, vehicles, accessibility, check-in/out, no-show handling, and cancellation tiers.",
          "observation_id": "observation-del-valle-cabin-faq-operations",
          "observed_at": null,
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-del-valle-cabin-faq"
        }
      ],
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        {
          "locator": "https://www.ebparks.org/parks/del-valle",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-park-page"
        },
        {
          "locator": "https://www.ebparks.org/recreation/camping/cabin-camping-faqs",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-cabin-faq"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-ebrpd-campground-accessibility",
        "evidence_ids": [
          "evidence-del-valle-ebrpd-campground-accessibility"
        ],
        "predicate": "accessibility_features",
        "spatial_scope_ids": [
          "scope-del-valle-family-campground"
        ],
        "subject_id": "campground-del-valle-family",
        "temporal_scope": null,
        "value": {
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          "many_water_fountains_wheelchair_accessible": true,
          "wheelchair_accessible_sites": 2
        }
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-ebrpd-campground-accessibility",
          "evidence_id": "evidence-del-valle-ebrpd-campground-accessibility",
          "notes": "",
          "observation_id": "observation-del-valle-ebrpd-campground",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The EBRPD page states that the family campground has 150 sites, including two accessible sites and 21 sites with water, sewage, and 120-volt 50/30-amp electrical hookups; toilets and showers are centrally located. It separately states that five cabin sites take up to eight people and sleep five.",
          "observation_id": "observation-del-valle-ebrpd-campground",
          "observed_at": null,
          "observer": "user-supplied page transcription",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-del-valle-park-page"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/parks/del-valle",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-park-page"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-ebrpd-rv-hookups",
        "evidence_ids": [
          "evidence-del-valle-ebrpd-rv-hookups"
        ],
        "predicate": "rv_hookup_details",
        "spatial_scope_ids": [
          "scope-del-valle-family-campground"
        ],
        "subject_id": "campground-del-valle-family",
        "temporal_scope": null,
        "value": {
          "electrical_amps": [
            50,
            30
          ],
          "electrical_volts": 120,
          "sewage": true,
          "sites": 21,
          "water": true
        }
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-ebrpd-rv-hookups",
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          "notes": "",
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          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The EBRPD page states that the family campground has 150 sites, including two accessible sites and 21 sites with water, sewage, and 120-volt 50/30-amp electrical hookups; toilets and showers are centrally located. It separately states that five cabin sites take up to eight people and sleep five.",
          "observation_id": "observation-del-valle-ebrpd-campground",
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        }
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        {
          "locator": "https://www.ebparks.org/parks/del-valle",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-park-page"
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      ]
    }
  ],
  "entities": [
    {
      "entity_id": "campground-del-valle-family",
      "kind": "campground",
      "name": "Del Valle Family Campground"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-del-valle-ebrpd-park-page",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/observations/observation-del-valle-ebrpd-campground.json",
      "reason": "Add EBRPD park-page evidence, preserve conflicts, and refine current Del Valle knowledge.",
      "record_id": "observation-del-valle-ebrpd-campground",
      "record_type": "observation",
      "summary": "Add EBRPD Del Valle park-page evidence, corroborate the 150-site campground inventory, preserve the acreage conflict, and capture dated operational conditions and rechecks."
    }
  ],
  "navigation": {
    "next_id": "observation-del-valle-ebrpd-concessioners",
    "position": 16,
    "previous_id": "observation-del-valle-ebrpd-boating",
    "total": 1318
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "The EBRPD page states that the family campground has 150 sites, including two accessible sites and 21 sites with water, sewage, and 120-volt 50/30-amp electrical hookups; toilets and showers are centrally located. It separately states that five cabin sites take up to eight people and sleep five.",
      "observation_id": "observation-del-valle-ebrpd-campground",
      "observed_at": null,
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      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-ebrpd-del-valle-park-page"
    }
  ],
  "record": {
    "artifact_refs": [],
    "content": "The EBRPD page states that the family campground has 150 sites, including two accessible sites and 21 sites with water, sewage, and 120-volt 50/30-amp electrical hookups; toilets and showers are centrally located. It separately states that five cabin sites take up to eight people and sleep five.",
    "observation_id": "observation-del-valle-ebrpd-campground",
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    "retrieved_at": "2026-09-20T00:00:00+00:00",
    "source_id": "source-ebrpd-del-valle-park-page"
  },
  "record_type": "observation",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/parks/del-valle",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-del-valle-park-page"
    }
  ]
}