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Mining Methods

 Subject
Subject Source: Local sources

Found in 229 Collections and/or Records:

F-31-A-191 -- Sheave Beams for Stripping 7' 0 DIA Bore Holes, 1971-12-09

 Item — Cabinet 7, Drawer: 1
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: 1971-12-09

F-31-A-192 -- Flange for 9 7/8" Borehole Adapter, 1971-12-15

 Item — Cabinet 7, Drawer: 1
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: 1971-12-15

F-31-A-198 -- 13L 5900 47ST Double Bore Hole 6050 Station Layout, 1972-03-03

 Item — Cabinet 7, Drawer: 1
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: 1972-03-03

F-31-A-290 -- Cablebolt Rig Skids, 1979-08-20

 Item — Cabinet 7, Drawer: 1
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: 1979-08-20

F-31-A-300A -- "Revised" Bypass Chute & Grizzly Area for 42BH 7100 40-42 sC VCR Moved Grizzly 2' East & Chute 6" West, 1985-08-05

 Item — Cabinet 7, Drawer: 1
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: 1985-08-05

F-31-C-150 -- 10 in Bore Hole Collar Screen With and Without Ventilation, 1970-10-03

 Item — Cabinet 7, Drawer: 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: 1970-10-03

F-31-C-151 -- 6500 Bore Hole Chain Hanger Beam No. 4 Winze Waste System, 1970-10-23

 Item — Cabinet 7, Drawer: 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: 1970-10-23

F-31-C-154 -- 60" Bore Hole Safety Screen Counter Weight Assembly, 1971-09-01

 Item — Cabinet 7, Drawer: 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: 1971-09-01