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Hydroelectric power plants

 Subject
Subject Source: Library of Congress Subject Headings

Found in 361 Collections and/or Records:

A-31-011-2 -- Englewood Group "O" & Hanna Group "P", 1958-03-26

 Item — Cabinet Multi-Drawer A, Drawer: 31, Folder: 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: 1958-03-26

A-31-012-1 -- Hydro No. 1 Intake Group "U" & Savoy Group "V", 1958-02-28

 Item — Cabinet Multi-Drawer A, Drawer: 31, Folder: 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: 1958-02-28

A-31-012 -- Intake group Hydro-Electric No. 1 and Savoy Group, 1934-12-24

 Item — Cabinet Multi-Drawer A, Drawer: 31, Folder: 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: 1934-12-24

A-33-072 -- Map of Break in Hydro #2 Wood Stave Pipe Line Approximately 1/2 Mile Below American Siding, 1974-07-28

 Item — Cabinet Multi-Drawer A, Drawer: 33, Folder: 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: 1974-07-28

A-34-009 -- Profile of Sewer Line at Hanna, 1929-08-29

 Item — Cabinet Multi-Drawer A, Drawer: 34, Folder: 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: 1929-08-29

A344-130 -- remodeled pulp distributor for cyanide plant no. 1, 1917-05

 Item — Cabinet Tan Cabinet 12
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: 1917-05

A2977-100-127 -- Details of Gate Chlorination Plant Hanna Pump Station, 1938-05-05

 Item — Cabinet Tan Cabinet 12
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: 1938-05-05

A4768-80-107 -- Stack Assembly for Heating Boiler Englewood, 1956-11-28

 Item — Cabinet 2, Drawer: 4, Folder: 107
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: 1956-11-28

A8901-71 -- englewood lead wier and intake sump plan view, 1985-10-11

 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: 1985-10-11