Bore Holes
Found in 118 Collections and/or Records:
A6469-50-76 -- 5' bore hole stripping cage crosshead and ring assy., 1972-05-15
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.
A7289-65 -- layout for setting foundation for I.R. Popeye hoist 5'0" bore hole, BM cage, 1979-06-21
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.
A7390-79 -- Cage Assy. For 7'-0 Bore Hoel Cage in Blast Hole Stope, 1979-02-06
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.
A10135-90 -- New Steel Sets & Accessories for North Sand Raise Shafts & Bore Holes, 1992-04-08
Sheet 1 of 4
B6302-50-76 -- bumpers and guide assy. For 5' bore hole cage 6200-6500, 1970-03-17
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.
B6394-50-76 -- 7' bore hole stripping cage, 1971-08-24
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.
B6469-50-76 -- 5' bore hole stripping cage floor and support rod assy., 1972-05-17
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.
B7360-79 -- Crosshead Parts & Center Column for 7'-0 Bore Hole Cage in Blast Hole Stope, 1979-02-06
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.
B10135-90 -- New Steel Sets & Accessories for North Sand Raise Shafts & Bore Holes, 1992-04-14
Sheet 2 of 4
C6302-50-76 -- door and roller assy. For 5' bore hole cage 6200-6500, 1971-06-05
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.