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Bore Holes

 Subject
Subject Source: Local sources

Found in 118 Collections and/or Records:

7114-79 -- Actuator Bracket Revision for Dresser 480 Bore Hole Machine (Mine Drills), 1977-03-09

 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: 1977-03-09

7131-111 -- 6'-6" Bore Hole Safety Screen for 7'-0" Bore Hole, 1977-05-02

 Item — Cabinet 2, Drawer: 5, Folder: 111
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: 1977-05-02

7131-111 -- 6'-6 Dia. Bore Hole Safety Screen for 7'-0 Bore Hole, 1977-05-02

 Item — Cabinet 2, Drawer: 5, Folder: 111
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: 1977-05-02

7178-67 -- 30" ga. Truck for dresser 480 raise bore machine cylinder, 1977-09-27

 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: 1977-09-27

7303-79 -- 7' Bore Hole Safety Ring & Screen, 1978-09-07

 Item — Cabinet 13, 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: 1978-09-07

7350-120 -- Work Platform Bonnet for 5'-0" Bore Hole Using 5/8" Rope Cable., 1979-01-02

 Item — Cabinet 2, Drawer: 6, Folder: 120
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: 1979-01-02

7360-79 -- Ladders & Pipe Clamps for 7'0 Bore Hole in Blast Hole Stope, 1979-01-25

 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: 1979-01-25

7370-79 -- Ring Form to Cement Collar on 7'-0 Bore Hole Mine Misc, 1979-02-02

 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: 1979-02-02