Box 8
Contains 41 Results:
Champion Mining Methods Drawings , 1978
Papers, 1906-2002, collected by Bill Stewart relating to the "Keweenaw Venture" joint operation between Homestake Copper Company and International Nickel Company. Also includes documentation from Stewart Holdings, Peninsula Copper Industries, Great Lakes Minerals, and several other mining initiatives.
Champion Minerals Recovery Corp. Inquiry and Proposals
Papers, 1906-2002, collected by Bill Stewart relating to the "Keweenaw Venture" joint operation between Homestake Copper Company and International Nickel Company. Also includes documentation from Stewart Holdings, Peninsula Copper Industries, Great Lakes Minerals, and several other mining initiatives.
Calumet and Hecla Advisory Committee Meetings, December 1961
Papers, 1906-2002, collected by Bill Stewart relating to the "Keweenaw Venture" joint operation between Homestake Copper Company and International Nickel Company. Also includes documentation from Stewart Holdings, Peninsula Copper Industries, Great Lakes Minerals, and several other mining initiatives.
Calumet and Hecla Poor Rock Piles
Papers, 1906-2002, collected by Bill Stewart relating to the "Keweenaw Venture" joint operation between Homestake Copper Company and International Nickel Company. Also includes documentation from Stewart Holdings, Peninsula Copper Industries, Great Lakes Minerals, and several other mining initiatives.
Calumet and Hecla Quality Control Reports (1 of 2), 1954-1965
Papers, 1906-2002, collected by Bill Stewart relating to the "Keweenaw Venture" joint operation between Homestake Copper Company and International Nickel Company. Also includes documentation from Stewart Holdings, Peninsula Copper Industries, Great Lakes Minerals, and several other mining initiatives.
Calumet and Hecla Quality Control Reports (2 of 2), 1954-1965
Papers, 1906-2002, collected by Bill Stewart relating to the "Keweenaw Venture" joint operation between Homestake Copper Company and International Nickel Company. Also includes documentation from Stewart Holdings, Peninsula Copper Industries, Great Lakes Minerals, and several other mining initiatives.
Calumet and Hecla Briquetting , 1954-1956
Papers, 1906-2002, collected by Bill Stewart relating to the "Keweenaw Venture" joint operation between Homestake Copper Company and International Nickel Company. Also includes documentation from Stewart Holdings, Peninsula Copper Industries, Great Lakes Minerals, and several other mining initiatives.
Calumet and Hecla Briquetting , 1952-1959
Papers, 1906-2002, collected by Bill Stewart relating to the "Keweenaw Venture" joint operation between Homestake Copper Company and International Nickel Company. Also includes documentation from Stewart Holdings, Peninsula Copper Industries, Great Lakes Minerals, and several other mining initiatives.
Calumet and Hecla Ahmeek Mill Proposed Replacement of Steam Pumps/Rolls
Papers, 1906-2002, collected by Bill Stewart relating to the "Keweenaw Venture" joint operation between Homestake Copper Company and International Nickel Company. Also includes documentation from Stewart Holdings, Peninsula Copper Industries, Great Lakes Minerals, and several other mining initiatives.
Calumet and Hecla Various Mines Progress Reports , 1966
Papers, 1906-2002, collected by Bill Stewart relating to the "Keweenaw Venture" joint operation between Homestake Copper Company and International Nickel Company. Also includes documentation from Stewart Holdings, Peninsula Copper Industries, Great Lakes Minerals, and several other mining initiatives.