Bore Holes
Found in 118 Collections and/or Records:
F-31-C-210 -- Security Engineering Raise, EST. Horizontal Displacement of No. 3 Bore Hole, 1967-07-28
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-31-E-156 -- Bore Hole Station on 5300 19L Showing 60-ton Cooler Setup, 1970-07-13
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-31-E-170 -- Installation of 60" Bore Hole Safety Screen Counterweight Assembly, 1971-09-30
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-31-E-174 -- Bore Hole Layout in 30-ton Cooler Cutout with 60-ton Cooler Cutout Added, 1972-02-03
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.
F6394-50-76 -- adjustable floor assy. For 7'-0 bore hole cage, 1975-08-29
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.