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Vertical Crater Retreat (VCR)

 Subject
Subject Source: Local sources

Found in 74 Collections and/or Records:

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-229 -- VCR Tool Truck for Mounting on Pin Trucks, 1986-04-08

 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: 1986-04-08

F-31-E-301 -- Typical Vertical Crater Retreat Stope, 1978-01-27

 Item — Cabinet 7, Drawer: 3
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: 1978-01-27

F-31-E-346 -- Door for Diesel & Fuel Storage V.C.R. Mining, 1981-05-14

 Item — Cabinet 7, Drawer: 3
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: 1981-05-14

F-31-E-349 -- Weeping Tile Manifold for VCR Backfill, 1981-12-01

 Item — Cabinet 7, Drawer: 3
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: 1981-12-01

Holes Tied out 2600ft Level 10-15W A VCR Bottom Sill, 1980-07-23

 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: 1980-07-23

Homestake Geology Department Papers

 Collection
Identifier: 5035
Abstract

The Homestake Geology Department Papers consist of documents, rock samples, and thin sections from 1903 to 2005. Materials include geologic, stope, diamond drilling maps and drawings; reports, correspondence, ledgers, and indexes that represent the functions and activities of the Geology Department.

Dates: 1903 - 2005

Longitudinal Section Center Line of Ledge 82-84 SF 6500 9L VCR?

 Item — Cabinet 13
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

Longitudinal Section, Center Line of Ledge, 82-84 SF 6500 9L VCR?

 Item — Cabinet 13, 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: 1877 - 2007

Longitudinal View 27-29 F 9L 4400 VCR STP

 Item — Cabinet 13
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