Bore Holes
Found in 118 Collections and/or Records:
7114-79 -- Actuator Bracket Revision for Dresser 480 Bore Hole Machine (Mine Drills), 1977-03-09
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.
7131-111 -- 6'-6" Bore Hole Safety Screen for 7'-0" Bore Hole, 1977-05-02
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.
7131-111 -- 6'-6 Dia. Bore Hole Safety Screen for 7'-0 Bore Hole, 1977-05-02
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.
7178-67 -- 30" ga. Truck for dresser 480 raise bore machine cylinder, 1977-09-27
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.
7303-79 -- 7' Bore Hole Safety Ring & Screen, 1978-09-07
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.
7303-79 -- 7' Bore Hole Safety Ring & Screen, 1978-09-07
Sheet 1 of 2
7303-79 -- Filler Screen for 7'-0 Bore Hole, 1984-10-05
Sheet 2 of 2
7350-120 -- Work Platform Bonnet for 5'-0" Bore Hole Using 5/8" Rope Cable., 1979-01-02
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.
7360-79 -- Ladders & Pipe Clamps for 7'0 Bore Hole in Blast Hole Stope, 1979-01-25
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.
7370-79 -- Ring Form to Cement Collar on 7'-0 Bore Hole Mine Misc, 1979-02-02
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.