{
  "answerability": "evidence_backed_claims_available",
  "claims": [
    {
      "claim": {
        "claim_id": "claim-google-maps-del-valle-eagles-view-coordinate",
        "evidence_ids": [
          "evidence-google-maps-del-valle-eagles-view-coordinate"
        ],
        "predicate": "google_maps_coordinate",
        "spatial_scope_ids": [
          "scope-del-valle-park"
        ],
        "subject_id": "group-camp-del-valle-eagles-view",
        "temporal_scope": null,
        "value": {
          "latitude": 37.5833377,
          "longitude": -121.6930213,
          "official_map_context_claim_id": "claim-del-valle-map-eagles-view-location",
          "plus_code": "H8M4+8QQ",
          "provenance_class": "user_supplied_map_estimate"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-google-maps-del-valle-eagles-view-coordinate",
          "evidence_id": "evidence-google-maps-del-valle-eagles-view-coordinate",
          "notes": "Supports an approximate user-selected map point corroborated by official map context; it is not an official or Google-labeled surveyed coordinate and does not alter ReserveAmerica's null GIS fields.",
          "observation_id": "observation-google-maps-del-valle-eagles-view-coordinate",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "User-supplied Google Maps pin",
            "Official map visual comparison"
          ],
          "content": "The user-supplied Google Maps pin resolves to 37.5833377, -121.6930213 (displayed as 37.583338, -121.693021; Plus Code H8M4+8QQ). Its placement corresponds visually to the Eagles View Group Camp area labeled on the official April 2026 park map. Google Maps does not label the pin as Eagles View.",
          "observation_id": "observation-google-maps-del-valle-eagles-view-coordinate",
          "observed_at": null,
          "observer": "Wayproof live Chrome review of user-supplied map estimate",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-google-maps-del-valle-eagles-view"
        }
      ],
      "sources": [
        {
          "locator": "https://maps.app.goo.gl/9tfxKJQcg7eUiQPx6?g_st=ic",
          "publisher": "Google Maps (user-supplied pin)",
          "source_id": "source-google-maps-del-valle-eagles-view"
        }
      ],
      "subject": {
        "entity_id": "group-camp-del-valle-eagles-view",
        "kind": "group_campsite",
        "name": "Eagles View"
      }
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-camping-eagles-view-details",
        "evidence_ids": [
          "evidence-del-valle-camping-eagles-view-details"
        ],
        "predicate": "official_campsite_profile",
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        ],
        "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",
          "kind": "primitive",
          "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",
          "notes": "Official EBRPD campsite-specific facilities and restrictions.",
          "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": [
        {
          "locator": "https://www.ebparks.org/parks/del-valle/camping",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-camping"
        }
      ],
      "subject": {
        "entity_id": "group-camp-del-valle-eagles-view",
        "kind": "group_campsite",
        "name": "Eagles View"
      }
    },
    {
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          "evidence-del-valle-map-eagles-view-location"
        ],
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        "spatial_scope_ids": [
          "scope-del-valle-park"
        ],
        "subject_id": "group-camp-del-valle-eagles-view",
        "temporal_scope": null,
        "value": {
          "adjacent_to": "parking area 66",
          "east_of": "Lake Del Valle",
          "northwest_of": "park entry kiosk",
          "west_of": "Del Valle Road"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-map-eagles-view-location",
          "evidence_id": "evidence-del-valle-map-eagles-view-location",
          "notes": "Official cartographic placement without deriving a surveyed point coordinate.",
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          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "PDF page 1",
            "Eagles View Group Camp label"
          ],
          "content": "The April 2026 official park map labels Eagles View Group Camp east of Lake Del Valle and west of Del Valle Road, adjacent to parking area 66 and northwest of the park entry kiosk.",
          "observation_id": "observation-del-valle-map-eagles-view-location",
          "observed_at": "2026-04-01T00:00:00+00:00",
          "observer": "Wayproof visual map review",
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          "source_id": "source-ebrpd-del-valle-map-2026-04"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/sites/default/files/del-valle-map.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-map-2026-04"
        }
      ],
      "subject": {
        "entity_id": "group-camp-del-valle-eagles-view",
        "kind": "group_campsite",
        "name": "Eagles View"
      }
    },
    {
      "claim": {
        "claim_id": "claim-reserveamerica-del-valle-site-243-profile",
        "evidence_ids": [
          "evidence-reserveamerica-del-valle-site-243-profile"
        ],
        "predicate": "reserveamerica_site_profile",
        "spatial_scope_ids": [
          "scope-del-valle-park"
        ],
        "subject_id": "group-camp-del-valle-eagles-view",
        "temporal_scope": null,
        "value": {
          "alerts": [
            "Eagles View Eagle's View is a primitive campsite with a view of the lake, and includes five 10' tables, one serving table, two double BBQs, one single BBQ, a fire circle with benches, and a drinking fountain with spigot. Flush toilets are uphill from the site. No access to showers.",
            "SITE ACCESS: Eagles View can be accessed off of the East Beach Parking lot just past the gate.",
            "CAPACITY: Minimum 17, maximum 50.",
            "PARKING AND VEHICLES: 9 Parking passes and 1 for outside of the East Beach Parking lot gate will be emailed 5-10 days before your reservations begins. Additional passes are not available for purchase. Buses, RVs, trailers, food trucks, or caterers are prohibited. Violators may be cited and/or towed.",
            "ALCOHOL: Beer and wine allowed with permit ($25.00). No hard alcohol. Please call at least 3 days prior to the first night of your reservation to purchase. The permit does not allow the selling of alcoholic beverages, or consumption outside of your designated campsite. Reservation holder must be 21 years of age to purchase beer and wine permit. You are subject to citation for violation of these rules."
          ],
          "amenities": [
            "Pets Allowed"
          ],
          "booking_url": "https://www.reserveamerica.com/explore/del-valle/EB/110003/243/campsite-booking",
          "details": {
            "bbq": true,
            "checkin_time": "2:00 PM",
            "checkout_time": "12:00 PM",
            "fire_pit": true,
            "looking_for_category": "Group Site",
            "maximum_number_of_people": 50,
            "maximum_number_of_vehicles": 10,
            "minimum_number_of_people": 17,
            "pets_allowed": "Domestic",
            "picnic_table": true,
            "site_access": "Hike-In",
            "site_reserve_type": "Site-Specific",
            "type_of_use": "Overnight"
          },
          "latitude": null,
          "listed_capacity": 50,
          "listed_driveway": "",
          "longitude": null,
          "loop": "Primitive Group Camp",
          "name": "EAGLES VIEW (50)",
          "product_id": "243",
          "site_type": "GROUP CAMPING"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-reserveamerica-del-valle-site-243-profile",
          "evidence_id": "evidence-reserveamerica-del-valle-site-243-profile",
          "notes": "Structured directly from the rendered individual ReserveAmerica site-detail page.",
          "observation_id": "observation-reserveamerica-del-valle-site-243",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Activities & Amenities",
            "Site Details",
            "Alerts and Important Information"
          ],
          "content": "The live site-detail page identifies EAGLES VIEW (50) in Primitive Group Camp as GROUP CAMPING, publishes 13 structured detail fields and 5 alert statements, and exposes no GIS latitude or longitude.",
          "observation_id": "observation-reserveamerica-del-valle-site-243",
          "observed_at": null,
          "observer": "Wayproof live Chrome source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-reserveamerica-del-valle-site-243"
        }
      ],
      "sources": [
        {
          "locator": "https://www.reserveamerica.com/explore/del-valle/EB/110003/243/campsite-booking",
          "publisher": "ReserveAmerica / East Bay Regional Park District",
          "source_id": "source-reserveamerica-del-valle-site-243"
        }
      ],
      "subject": {
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        "kind": "group_campsite",
        "name": "Eagles View"
      }
    }
  ],
  "entity": {
    "entity_id": "group-camp-del-valle-eagles-view",
    "kind": "group_campsite",
    "name": "Eagles View"
  },
  "gap_details": [
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        },
        {
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        },
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          "name": "Horse Camp #3"
        },
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          "name": "Horse Camp #4"
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          "entity_id": "group-camp-del-valle-ardilla",
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          "name": "Ardilla"
        },
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          "name": "Cedar Camp"
        },
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        },
        {
          "entity_id": "group-camp-del-valle-hetch-hetchy",
          "kind": "group_campsite",
          "name": "Hetch Hetchy"
        },
        {
          "entity_id": "group-camp-del-valle-venados",
          "kind": "group_campsite",
          "name": "Venados"
        }
      ],
      "history": [
        {
          "action": "ADD",
          "change_set_id": "wp-20260920-reserveamerica-del-valle-site-details",
          "evidence_refs": [],
          "knowledge_gap_refs": [],
          "path": "canonical/v0/gaps/gap-del-valle-site-coordinates-unpublished.json",
          "reason": "Ingest the complete live ReserveAmerica Del Valle site-detail corpus.",
          "record_id": "gap-del-valle-site-coordinates-unpublished",
          "record_type": "gap",
          "summary": "Ingest all 155 live Del Valle ReserveAmerica site-detail pages with structured profiles, exact source lineage, explicit missing coordinates, and preserved inventory and seasonal conflicts."
        }
      ],
      "navigation": {
        "next_id": "gap-del-valle-stoplight-meanings",
        "position": 21,
        "previous_id": "gap-del-valle-seasonal-closures-current",
        "total": 299
      },
      "observations": [],
      "record": {
        "gap_id": "gap-del-valle-site-coordinates-unpublished",
        "question": "What are the authoritative coordinates for the nine Del Valle site pages that publish no GIS latitude or longitude?",
        "reason": "ReserveAmerica publishes coordinates for 146 of 155 entries but omits them for Horse Camp #1-#4 and five primitive group camps. Nearby or map-derived points were not substituted.",
        "related_ids": [
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          },
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        },
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        },
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        },
        {
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          },
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        },
        {
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            "name": "Eagles View"
          },
          "record_id": "group-camp-del-valle-eagles-view",
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        },
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          },
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          "record_type": "entity"
        },
        {
          "record": {
            "entity_id": "group-camp-del-valle-hetch-hetchy",
            "kind": "group_campsite",
            "name": "Hetch Hetchy"
          },
          "record_id": "group-camp-del-valle-hetch-hetchy",
          "record_type": "entity"
        },
        {
          "record": {
            "entity_id": "group-camp-del-valle-venados",
            "kind": "group_campsite",
            "name": "Venados"
          },
          "record_id": "group-camp-del-valle-venados",
          "record_type": "entity"
        }
      ],
      "sources": []
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ebrpd-del-valle-campground-corpus",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/entities/group-camp-del-valle-eagles-view.json",
      "reason": "Add the official EBRPD Del Valle campground corpus, preserving dated conflicts and live recheck boundaries.",
      "record_id": "group-camp-del-valle-eagles-view",
      "record_type": "entity",
      "summary": "Ingest eight official EBRPD campground sources with current, dated, conflicting, and volatile evidence kept distinct."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-del-valle-eagles-view-evidence",
      "evidence_refs": [
        "evidence-google-maps-del-valle-eagles-view-coordinate"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-google-maps-del-valle-eagles-view-coordinate.json",
      "reason": "Add bounded Eagles View identity, official facilities, and explicitly approximate coordinate evidence.",
      "record_id": "claim-google-maps-del-valle-eagles-view-coordinate",
      "record_type": "claim",
      "summary": "Add official map and camping-page evidence for Eagles View and a separately attributed user-selected Google Maps estimate without altering ReserveAmerica's null GIS fields."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-del-valle-eagles-view-evidence",
      "evidence_refs": [
        "evidence-del-valle-camping-eagles-view-details"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-del-valle-camping-eagles-view-details.json",
      "reason": "Add bounded Eagles View identity, official facilities, and explicitly approximate coordinate evidence.",
      "record_id": "claim-del-valle-camping-eagles-view-details",
      "record_type": "claim",
      "summary": "Add official map and camping-page evidence for Eagles View and a separately attributed user-selected Google Maps estimate without altering ReserveAmerica's null GIS fields."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-del-valle-eagles-view-evidence",
      "evidence_refs": [
        "evidence-del-valle-map-eagles-view-location"
      ],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-del-valle-map-eagles-view-location.json",
      "reason": "Add bounded Eagles View identity, official facilities, and explicitly approximate coordinate evidence.",
      "record_id": "claim-del-valle-map-eagles-view-location",
      "record_type": "claim",
      "summary": "Add official map and camping-page evidence for Eagles View and a separately attributed user-selected Google Maps estimate without altering ReserveAmerica's null GIS fields."
    },
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-reserveamerica-del-valle-site-details",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/claims/claim-reserveamerica-del-valle-site-243-profile.json",
      "reason": "Ingest the complete live ReserveAmerica Del Valle site-detail corpus.",
      "record_id": "claim-reserveamerica-del-valle-site-243-profile",
      "record_type": "claim",
      "summary": "Ingest all 155 live Del Valle ReserveAmerica site-detail pages with structured profiles, exact source lineage, explicit missing coordinates, and preserved inventory and seasonal conflicts."
    }
  ],
  "journey": [],
  "knowledge_gaps": [
    {
      "gap_id": "gap-del-valle-site-coordinates-unpublished",
      "question": "What are the authoritative coordinates for the nine Del Valle site pages that publish no GIS latitude or longitude?",
      "reason": "ReserveAmerica publishes coordinates for 146 of 155 entries but omits them for Horse Camp #1-#4 and five primitive group camps. Nearby or map-derived points were not substituted.",
      "related_ids": [
        "campsite-reserveamerica-del-valle-465",
        "campsite-reserveamerica-del-valle-466",
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        "group-camp-del-valle-ardilla",
        "group-camp-del-valle-eagles-view",
        "group-camp-del-valle-cedar",
        "group-camp-del-valle-hetch-hetchy",
        "group-camp-del-valle-venados"
      ]
    }
  ],
  "reference_evidence": [],
  "relationships": [
    {
      "evidence_ids": [
        "evidence-reserveamerica-del-valle-site-243-profile"
      ],
      "object_id": "group-camp-del-valle-eagles-view",
      "predicate": "lists_site",
      "relationship_id": "relationship-reserveamerica-del-valle-lists-site-243",
      "subject_id": "facility-reserveamerica-del-valle-110003",
      "temporal_scope": null
    }
  ],
  "route_geometry": null,
  "route_geometry_url": null,
  "type": "canonical_entity"
}