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Bore Holes

 Subject
Subject Source: Local sources

Found in 118 Collections and/or Records:

9094-71 -- 5'-0 Bore Hole Drain Basin, 1986-11-23

 Item — Cabinet Tan Cabinet 4
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: 1986-11-23

9107-68 -- break-out assist piston rod and clevis for all dresser bore mach., 1987-01-13

 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: 1987-01-13

9168-71 -- Sand Line Bore Hole Adaptor, 1987-03-25

 Item — Cabinet Tan Cabinet 4
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: 1987-03-25

9177-71 -- Pin Truck Brackets for Transporting 800 Bore Hole Columns

 Item — Cabinet Tan Cabinet 4
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: 1877 - 2007

9215-68 -- adjustable bore hole reaction leg, 1987-06-16

 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: 1987-06-16

9298-90 -- Safety Screen for 10'-0 Borehole Mine Misc.- Boreholes, 1987-12-09

 Item — Cabinet Tan Cabinet 6
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: 1987-12-09

9323-71 -- 12 1/4' Bit Basket for Bore Hole #3, 1987-01-15

 Item — Cabinet Tan Cabinet 4
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: 1987-01-15

9346-63 -- 10' Bore Hole Collar Form, 1988-01-29

 Item — Cabinet 2, Drawer: 3, Folder: 63
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: 1988-01-29

9402-70 -- Sprocket Shaft for Dresser 480 & 500 Bore Hole Machine Raise Bore Mach, 1988-04-21

 Item — Cabinet Tan Cabinet 4
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: 1988-04-21

9451-70 -- Bore Hole Machine Slide Block Dresser 480 or 500 Mine Drills, 1988-07-06

 Item — Cabinet Tan Cabinet 4
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: 1988-07-06