Box 1
Contains 39 Results:
Pilot Key Mill Primary Electrical (2 of 2)
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.
Pilot Key Mill Electrical , 1974-1975
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.
Pilot Key Mill Thickener Dewatering Reports , 1976
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.
Pilot Key Mill Repair and Maintenance , 1976
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.
Pilot Key Mill Shift Summary Reports (1 of 2), 1976
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.
Pilot Key Mill Shift Summary Reports (2 of 2), 1976
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.
Pilot Key Mill Daily Crusher Reports (1 of 2), 1976
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.
Pilot Key Mill Daily Crusher Reports (2 of 2), 1976
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.
Homestake Gravity Jigs Information and Correspondence
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.
Pilot Key Mill Jig Operating Reports , 1976
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.