{
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    {
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        ],
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          "october": "Friday-Sunday limited hours",
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          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
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          "observation_id": "observation-del-valle-ebrpd-seasonal-stores",
          "observed_at": null,
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          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-del-valle-park-page"
        }
      ],
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        {
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          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-park-page"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-ebrpd-marina-schedule",
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          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The page publishes September-December operating and rental hours for the marina store and September-December hours for the camp store, including weather-dependent first-come boat rentals and closures on some days; the displayed schedule does not state an effective year.",
          "observation_id": "observation-del-valle-ebrpd-seasonal-stores",
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      ]
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    {
      "entity_id": "facility-del-valle-camp-store",
      "kind": "store",
      "name": "Del Valle Camp Store"
    },
    {
      "entity_id": "facility-del-valle-east-beach-marina",
      "kind": "marina",
      "name": "Del Valle East Beach Marina"
    }
  ],
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    {
      "action": "ADD",
      "change_set_id": "wp-20260920-del-valle-ebrpd-park-page",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/gaps/gap-del-valle-marina-schedule-effective-year.json",
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      "record_id": "gap-del-valle-marina-schedule-effective-year",
      "record_type": "gap",
      "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": "gap-del-valle-park-area-conflict",
    "position": 18,
    "previous_id": "gap-del-valle-map-no-fishing-segment",
    "total": 299
  },
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    {
      "artifact_refs": [],
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      "observation_id": "observation-del-valle-ebrpd-seasonal-stores",
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  ],
  "record": {
    "gap_id": "gap-del-valle-marina-schedule-effective-year",
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      "claim-del-valle-ebrpd-camp-store-schedule"
    ]
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        "value": {
          "boat_rentals": "weather_permitting_first_come",
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          "year_stated": false
        }
      },
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    {
      "record": {
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        "subject_id": "facility-del-valle-camp-store",
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          "october": "Friday-Sunday limited hours",
          "september": "daily 06:00-19:00",
          "year_stated": false
        }
      },
      "record_id": "claim-del-valle-ebrpd-camp-store-schedule",
      "record_type": "claim"
    }
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      "locator": "https://www.ebparks.org/parks/del-valle",
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    }
  ]
}