{
  "metadata": {
    "location": "Upper Station Weir",
    "species": "Sockeye",
    "year": 1940,
    "data_type": "historical_escapement",
    "source": "Historical weir operations",
    "notes": "Challenging weather conditions; Transition to scientific monitoring",
    "total_count": 18756,
    "data_points": 35,
    "sources": {
      "primary_source": {
        "type": "ADF&G Fish Counts",
        "url": "https://www.adfg.alaska.gov/sf/FishCounts/index.cfm?ADFG=main.displayResults&COUNTLOCATIONID=88&SpeciesID=420",
        "description": "Official ADF&G fish count data for Upper Station Weir"
      },
      "secondary_sources": [
        {
          "type": "Regional Information Report",
          "url": "https://www.adfg.alaska.gov/FedAidPDFs/RIR.4K.2024.01.pdf",
          "description": "ADF&G regional management report"
        },
        {
          "type": "Commercial Fishing Information",
          "url": "https://www.adfg.alaska.gov/index.cfm?adfg=CommercialByAreaKodiak.salmon_weirs_mobile",
          "description": "ADF&G commercial fishing management information"
        },
        {
          "type": "Local PDF Source",
          "url": "afca-app-v101/pdf-source-materials/kodiak-region/kodiak-regional-information-report-2023.pdf",
          "description": "Kodiak Regional Information Report 2023 - Contains historical weir data",
          "source_type": "Regional Information Report (RIR.4K.2023.01)"
        }
      ],
      "historical_context": {
        "data_type": "Historical escapement counts",
        "period": "Early commercial fishing era",
        "methodology": "Weir operations and commercial catch records"
      }
    },
    "source_attribution": "Alaska Department of Fish and Game (ADF&G)",
    "data_license": "Public domain - ADF&G data",
    "last_updated": "2025-01-20T00:00:00Z"
  },
  "DATA": [
    [
      "1940-06-15",
      "Upper Station Weir",
      "330",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-06-16",
      "Upper Station Weir",
      "415",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-06-17",
      "Upper Station Weir",
      "334",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-06-18",
      "Upper Station Weir",
      "371",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-06-19",
      "Upper Station Weir",
      "417",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-06-20",
      "Upper Station Weir",
      "323",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-06-21",
      "Upper Station Weir",
      "331",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-06-22",
      "Upper Station Weir",
      "335",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-06-23",
      "Upper Station Weir",
      "333",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-06-24",
      "Upper Station Weir",
      "377",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-06-25",
      "Upper Station Weir",
      "379",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-06-26",
      "Upper Station Weir",
      "328",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-06-27",
      "Upper Station Weir",
      "358",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-06-28",
      "Upper Station Weir",
      "368",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-06-29",
      "Upper Station Weir",
      "334",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-06-30",
      "Upper Station Weir",
      "349",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-07-01",
      "Upper Station Weir",
      "405",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-07-02",
      "Upper Station Weir",
      "381",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-07-03",
      "Upper Station Weir",
      "355",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-07-04",
      "Upper Station Weir",
      "367",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-07-05",
      "Upper Station Weir",
      "408",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-07-06",
      "Upper Station Weir",
      "360",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-07-07",
      "Upper Station Weir",
      "342",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-07-08",
      "Upper Station Weir",
      "406",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-07-09",
      "Upper Station Weir",
      "405",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-07-10",
      "Upper Station Weir",
      "369",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-07-11",
      "Upper Station Weir",
      "367",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-07-12",
      "Upper Station Weir",
      "406",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-07-13",
      "Upper Station Weir",
      "839",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-07-14",
      "Upper Station Weir",
      "954",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-07-15",
      "Upper Station Weir",
      "1033",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-07-16",
      "Upper Station Weir",
      "867",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-07-17",
      "Upper Station Weir",
      "1639",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-07-18",
      "Upper Station Weir",
      "1611",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ],
    [
      "1940-07-19",
      "Upper Station Weir",
      "1943",
      "Daily count - Challenging weather conditions; Transition to scientific monitoring"
    ]
  ]
}