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Mine (1952 to 1972)
Mine (1952 to 1972)
Mine (1973 to 1991)
Mine (1973 to 1991)
Shipping & Transportation
Shipping & Transportation
"Annual Report of the Topographical Survey"
"Annual Report of the Topographical Survey"
Photographic negatives
Photographic negatives
Exposed Asbestos in Talus & Outcrops
Exposed Asbestos in Talus & Outcrops
General Operations Albums
General Operations Albums
Clinton Creek Operations
Clinton Creek Operations