Alaska Resources Library & Information Services (ARLIS)

BLM AK TR 38 - Economic Prefeasibility Studies of Mining in the Koyukuk Mining District, Northern Alaska. (PDF 4.2 Megabytes)

BLM AK TR 50 - Mineral Investigations in the Koyukuk Mining District, Northern Alaska. (PDF 13.3 Megabytes)

Additional U.S. Bureau of Mines Studies - Koyukuk

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