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Bore Holes

 Subject
Subject Source: Local sources

Found in 118 Collections and/or Records:

A6469-50-76 -- 5' bore hole stripping cage crosshead and ring assy., 1972-05-15

 Item — Cabinet Tan Cabinet 8
Scope and Contents From the Collection:

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.

Dates: 1972-05-15

A7289-65 -- layout for setting foundation for I.R. Popeye hoist 5'0" bore hole, BM cage, 1979-06-21

 Item — Cabinet Tan Cabinet 2
Scope and Contents From the Collection:

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.

Dates: 1979-06-21

A7390-79 -- Cage Assy. For 7'-0 Bore Hoel Cage in Blast Hole Stope, 1979-02-06

 Item — Cabinet Tan Cabinet 5
Scope and Contents From the Collection:

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.

Dates: 1979-02-06

B6302-50-76 -- bumpers and guide assy. For 5' bore hole cage 6200-6500, 1970-03-17

 Item — Cabinet Tan Cabinet 8
Scope and Contents From the Collection:

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.

Dates: 1970-03-17

B6394-50-76 -- 7' bore hole stripping cage, 1971-08-24

 Item — Cabinet Tan Cabinet 8
Scope and Contents From the Collection:

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.

Dates: 1971-08-24

B6469-50-76 -- 5' bore hole stripping cage floor and support rod assy., 1972-05-17

 Item — Cabinet Tan Cabinet 8
Scope and Contents From the Collection:

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.

Dates: 1972-05-17

B7360-79 -- Crosshead Parts & Center Column for 7'-0 Bore Hole Cage in Blast Hole Stope, 1979-02-06

 Item — Cabinet Tan Cabinet 5
Scope and Contents From the Collection:

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.

Dates: 1979-02-06

C6302-50-76 -- door and roller assy. For 5' bore hole cage 6200-6500, 1971-06-05

 Item — Cabinet Tan Cabinet 8
Scope and Contents From the Collection:

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.

Dates: 1971-06-05