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Environmental Control

 Subject
Subject Source: Local sources

Found in 66 Collections and/or Records:

A-110-1 -- Homestake Mining Company, Diversion Dam and Intake of Hearst Ditch, 1912-10

 Item — Cabinet 14, Drawer: 4, Folder: 10
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: 1912-10

Appendix No. 3 -- Grizzly Gulch Impounding Area Project- Preliminary Schedule (Predesign Phase), 1975-11-11

 Item — Cabinet 4, Drawer: 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: 1975-11-11

B-110-113 -- Reclaim Water Recovery Pond General Layout

 Item — Cabinet 2, Drawer: 11, Folder: Unknown
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

B-110-114 -- Reclaim Water Recovery Pond Sections & Details

 Item — Cabinet 2, Drawer: 11, Folder: Unknown
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

B-110-115 -- Reclaim Water Recovery Pond Sections & Details

 Item — Cabinet 2, Drawer: 11, Folder: Unknown
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

B-130-7, 0212D22A-340, Rev. A -- Whitewood Creek Venture, Heap Leach Pad and Ancillary Facilities, Leach Pad Solution, Piping Details

 Item — Cabinet 14, Drawer: 3, Folder: 7
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

B-130-7, 0212D26A-425, Rev. A -- Whitewood Creek Venture, Heap Leach Pad and Ancillary Facilities, Piping Details

 Item — Cabinet 14, Drawer: 3, Folder: 7
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