Alaska Resources Library & Information Services (ARLIS)

BLM AK TR 50 Vol I - Mineral Investigations in the Koyukuk Mining District, Northern Alaska (PDF 13.3 Megabytes)
BLM AK TR 50 Vol II (PDF 11 Megabytes)
BLM AK TR 50 plate (PDF 9.7 Megabytes)

Additional U.S. Bureau of Mines Studies - USBM Publications

Inquiries for reports and information should be directed to:

Librarian
Alaska Resources Library & Information Services (ARLIS)
3211 Providence Drive
Anchorage, Alaska 99508
(907) 27-ARLIS or (907) 272-7547, (907) 786-6576 (fax)