{
  "claims": [
    {
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        "evidence_ids": [
          "evidence-del-valle-campground-inventory",
          "evidence-del-valle-ebrpd-campground-inventory",
          "evidence-del-valle-camping-current-inventory"
        ],
        "predicate": "site_inventory",
        "spatial_scope_ids": [
          "scope-del-valle-family-campground"
        ],
        "subject_id": "campground-del-valle-family",
        "temporal_scope": null,
        "value": {
          "cabins": 5,
          "drive_up_tent": 124,
          "rv_full_hookup": 21,
          "total": 150
        }
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-campground-inventory",
          "evidence_id": "evidence-del-valle-campground-inventory",
          "notes": "",
          "observation_id": "observation-del-valle-campground-inventory",
          "stance": "supports"
        },
        {
          "claim_id": "claim-del-valle-campground-inventory",
          "evidence_id": "evidence-del-valle-ebrpd-campground-inventory",
          "notes": "",
          "observation_id": "observation-del-valle-ebrpd-campground",
          "stance": "supports"
        },
        {
          "claim_id": "claim-del-valle-campground-inventory",
          "evidence_id": "evidence-del-valle-camping-current-inventory",
          "notes": "",
          "observation_id": "observation-del-valle-camping-inventory",
          "stance": "supports"
        }
      ],
      "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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          "observer": "user-supplied page transcription",
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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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          "observed_at": null,
          "observer": "user-supplied page transcription",
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          "source_id": "source-ebrpd-del-valle-park-page"
        },
        {
          "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"
        }
      ],
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        {
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          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "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/parks/del-valle/camping",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-camping"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-camping-eagles-view-details",
        "evidence_ids": [
          "evidence-del-valle-camping-eagles-view-details"
        ],
        "predicate": "official_campsite_profile",
        "spatial_scope_ids": [
          "scope-del-valle-group-camps"
        ],
        "subject_id": "group-camp-del-valle-eagles-view",
        "temporal_scope": null,
        "value": {
          "barbecues": true,
          "beer_wine_permit_usd": 25,
          "capacity": {
            "maximum": 50,
            "minimum": 17
          },
          "drinking_fountain": true,
          "fire_ring": true,
          "flush_toilets": "uphill_from_site",
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          "lake_view": true,
          "parking_passes": 10,
          "picnic_tables": true,
          "prohibited_vehicles_and_services": [
            "buses",
            "RVs",
            "trailers",
            "food trucks",
            "caterers"
          ],
          "showers": false
        }
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-camping-eagles-view-details",
          "evidence_id": "evidence-del-valle-camping-eagles-view-details",
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          "observation_id": "observation-del-valle-camping-eagles-view-details",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Group Campsites",
            "Eagles View"
          ],
          "content": "The official camping page identifies Eagles View as a primitive group campsite for 17 to 50 people with a lake view, picnic tables, BBQs, a fire ring, and a drinking fountain. Flush toilets are uphill, showers are unavailable, beer and wine require an additional $25 permit, ten parking passes are issued, and buses, RVs, trailers, food trucks, and caterers are prohibited.",
          "observation_id": "observation-del-valle-camping-eagles-view-details",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-del-valle-camping"
        }
      ],
      "sources": [
        {
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          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-camping"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-equestrian-camping",
        "evidence_ids": [
          "evidence-del-valle-equestrian-camping"
        ],
        "predicate": "equestrian_camping_details",
        "spatial_scope_ids": [
          "scope-del-valle-equestrian-camps"
        ],
        "subject_id": "campground-del-valle-family",
        "temporal_scope": null,
        "value": {
          "Caballo Loco": {
            "horses": [
              5,
              15
            ],
            "parking_passes": 10,
            "people": [
              4,
              50
            ]
          },
          "Little Chaparral": {
            "max_horses_per_site": 1,
            "max_people_per_site": 4,
            "sites": 4
          }
        }
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-equestrian-camping",
          "evidence_id": "evidence-del-valle-equestrian-camping",
          "notes": "",
          "observation_id": "observation-del-valle-camping-groups",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The page identifies two developed and five primitive group camps, gives named-site capacities, facilities, parking allocations, fees, and seasonal notes, and prohibits RVs, trailers, motorhomes, buses, food trucks, and caterers at group camps.",
          "observation_id": "observation-del-valle-camping-groups",
          "observed_at": null,
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-del-valle-camping"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/parks/del-valle/camping",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-camping"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-group-booking",
        "evidence_ids": [
          "evidence-del-valle-group-booking",
          "evidence-del-valle-camping-current-group-booking"
        ],
        "predicate": "group_camping_reservation",
        "spatial_scope_ids": [
          "scope-del-valle-park"
        ],
        "subject_id": "park-del-valle-regional-park",
        "temporal_scope": null,
        "value": {
          "channel": "phone",
          "minimum_advance_business_days": 3,
          "minimum_group_size": 17
        }
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-group-booking",
          "evidence_id": "evidence-del-valle-group-booking",
          "notes": "",
          "observation_id": "observation-del-valle-group-booking",
          "stance": "supports"
        },
        {
          "claim_id": "claim-del-valle-group-booking",
          "evidence_id": "evidence-del-valle-camping-current-group-booking",
          "notes": "",
          "observation_id": "observation-del-valle-camping-reservations",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Groups of 17 or more are directed to group campsites. Group campsites are available by phone reservation only and require at least three business days of advance notice; requirements may differ for reservations made less than seven days ahead.",
          "observation_id": "observation-del-valle-group-booking",
          "observed_at": null,
          "observer": "user-supplied page transcription",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "artifact_refs": [],
          "content": "Camping requires a reservation. Family sites require at least two business days; group sites at least three. ADA and group reservations are phone-only. Family sites may also be booked online.",
          "observation_id": "observation-del-valle-camping-reservations",
          "observed_at": null,
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-del-valle-camping"
        }
      ],
      "sources": [
        {
          "locator": "https://www.reserveamerica.com/explore/del-valle/EB/110003/overview",
          "publisher": "ReserveAmerica / East Bay Regional Park District",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "locator": "https://www.ebparks.org/parks/del-valle/camping",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-camping"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-group-camp-details",
        "evidence_ids": [
          "evidence-del-valle-group-camp-details"
        ],
        "predicate": "named_group_camp_details",
        "spatial_scope_ids": [
          "scope-del-valle-group-camps"
        ],
        "subject_id": "campground-del-valle-family",
        "temporal_scope": null,
        "value": {
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            "capacity": [
              17,
              50
            ],
            "kind": "primitive",
            "parking_passes": 10
          },
          "Cedar Camp": {
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              17,
              50
            ],
            "kind": "primitive",
            "parking_passes": 10,
            "water": false
          },
          "Eagles View": {
            "capacity": [
              17,
              50
            ],
            "kind": "primitive",
            "parking_passes": 10
          },
          "Hetch Hetchy": {
            "capacity": [
              50,
              100
            ],
            "kind": "primitive",
            "parking_passes": 20
          },
          "Punta Vaca": {
            "capacity": [
              17,
              50
            ],
            "kind": "developed",
            "parking_passes": 15
          },
          "Venados": {
            "capacity": [
              17,
              50
            ],
            "kind": "primitive",
            "parking_passes": 10,
            "water_at_site": false
          },
          "Wild Turkey": {
            "capacity": [
              17,
              50
            ],
            "kind": "developed",
            "parking_passes": 15
          }
        }
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-group-camp-details",
          "evidence_id": "evidence-del-valle-group-camp-details",
          "notes": "",
          "observation_id": "observation-del-valle-camping-groups",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The page identifies two developed and five primitive group camps, gives named-site capacities, facilities, parking allocations, fees, and seasonal notes, and prohibits RVs, trailers, motorhomes, buses, food trucks, and caterers at group camps.",
          "observation_id": "observation-del-valle-camping-groups",
          "observed_at": null,
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-del-valle-camping"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/parks/del-valle/camping",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-camping"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-group-camp-inventory",
        "evidence_ids": [
          "evidence-del-valle-group-camp-inventory"
        ],
        "predicate": "group_camp_inventory",
        "spatial_scope_ids": [
          "scope-del-valle-group-camps"
        ],
        "subject_id": "campground-del-valle-family",
        "temporal_scope": null,
        "value": {
          "capacity_range_people": [
            17,
            100
          ],
          "developed": 2,
          "primitive": 5
        }
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-group-camp-inventory",
          "evidence_id": "evidence-del-valle-group-camp-inventory",
          "notes": "",
          "observation_id": "observation-del-valle-camping-groups",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The page identifies two developed and five primitive group camps, gives named-site capacities, facilities, parking allocations, fees, and seasonal notes, and prohibits RVs, trailers, motorhomes, buses, food trucks, and caterers at group camps.",
          "observation_id": "observation-del-valle-camping-groups",
          "observed_at": null,
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-del-valle-camping"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/parks/del-valle/camping",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-camping"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "campground-del-valle-family",
      "kind": "campground",
      "name": "Del Valle Family Campground"
    },
    {
      "entity_id": "group-camp-del-valle-eagles-view",
      "kind": "group_campsite",
      "name": "Eagles View"
    },
    {
      "entity_id": "park-del-valle-regional-park",
      "kind": "park",
      "name": "Del Valle Regional Park"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ebrpd-del-valle-campground-corpus",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/sources/source-ebrpd-del-valle-camping.json",
      "reason": "Add the official EBRPD Del Valle campground corpus, preserving dated conflicts and live recheck boundaries.",
      "record_id": "source-ebrpd-del-valle-camping",
      "record_type": "source",
      "summary": "Ingest eight official EBRPD campground sources with current, dated, conflicting, and volatile evidence kept distinct."
    }
  ],
  "navigation": {
    "next_id": "source-ebrpd-del-valle-map-2026-04",
    "position": 32,
    "previous_id": "source-ebrpd-del-valle-camp-map",
    "total": 587
  },
  "observations": [
    {
      "artifact_refs": [
        "Group Campsites",
        "Eagles View"
      ],
      "content": "The official camping page identifies Eagles View as a primitive group campsite for 17 to 50 people with a lake view, picnic tables, BBQs, a fire ring, and a drinking fountain. Flush toilets are uphill, showers are unavailable, beer and wine require an additional $25 permit, ten parking passes are issued, and buses, RVs, trailers, food trucks, and caterers are prohibited.",
      "observation_id": "observation-del-valle-camping-eagles-view-details",
      "observed_at": null,
      "observer": "Wayproof live source review",
      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-ebrpd-del-valle-camping"
    },
    {
      "artifact_refs": [],
      "content": "The page identifies two developed and five primitive group camps, gives named-site capacities, facilities, parking allocations, fees, and seasonal notes, and prohibits RVs, trailers, motorhomes, buses, food trucks, and caterers at group camps.",
      "observation_id": "observation-del-valle-camping-groups",
      "observed_at": null,
      "observer": "Wayproof source review",
      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-ebrpd-del-valle-camping"
    },
    {
      "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"
    },
    {
      "artifact_refs": [],
      "content": "Camping requires a reservation. Family sites require at least two business days; group sites at least three. ADA and group reservations are phone-only. Family sites may also be booked online.",
      "observation_id": "observation-del-valle-camping-reservations",
      "observed_at": null,
      "observer": "Wayproof source review",
      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-ebrpd-del-valle-camping"
    }
  ],
  "record": {
    "locator": "https://www.ebparks.org/parks/del-valle/camping",
    "publisher": "East Bay Regional Park District",
    "source_id": "source-ebrpd-del-valle-camping"
  },
  "record_type": "source",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/parks/del-valle/camping",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-del-valle-camping"
    }
  ]
}