Mining Methods
Found in 229 Collections and/or Records:
F-32-A-089 -- Steel Chute Box for Power Chute for OCF Timber Line, 1975-02-04
Sheet 3
F-32-A-089 -- Steel Chute Box for Power Chute for OCF Timber Line, 1975-02-04
Sheet 2
F-32-A-189 -- Standard Drawing for Power Chute in Timberline of O.C.F. Special Pony Set, 1968-04-05
The Homestake Mining Company Maps and Blueprints Collection contains a wide variety of maps, drawings, blueprints, and other documents relating to the company's operation. Blueprints consist of machines the Homestake Mining Company used and the buildings that they built. This collection also contains various geological, metallurgical, and engineering maps of the mine.
F-32-A-257 -- 60" Bore Hole Safety Screen Addition, 1974-06-11
Sheet 2 of 4
F-32-A-257 -- 60 in Bore Hole Safety Platform Ring, Screen and Etc., 1969-12-23
Sheet 1 of 4
F-32-A-257 -- Collar Screen for 5'-0 Bore Hole, 1984-11-30
Sheet 4 of 4
F-32-A-257 -- Hinged Channel for 60" Bore Hole Screens, 1976-12-13
Sheet 3 of 4
F-32-A-304 -- 54 inch Bore Hole Safety Platform Ring, Screen etc., 1969-01-14
The Homestake Mining Company Maps and Blueprints Collection contains a wide variety of maps, drawings, blueprints, and other documents relating to the company's operation. Blueprints consist of machines the Homestake Mining Company used and the buildings that they built. This collection also contains various geological, metallurgical, and engineering maps of the mine.
F-32-A-321 -- Grizzly Layout for 2150 9L Blast Hole Ore Pass, 1977-02-15
The Homestake Mining Company Maps and Blueprints Collection contains a wide variety of maps, drawings, blueprints, and other documents relating to the company's operation. Blueprints consist of machines the Homestake Mining Company used and the buildings that they built. This collection also contains various geological, metallurgical, and engineering maps of the mine.
F-32-A-321 -- Grizzly Layout for 2150 9L Blast Hole Ore Pass, 1977-06-15
Sheet 2