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Hydroelectric power plants

 Subject
Subject Source: Library of Congress Subject Headings

Found in 361 Collections and/or Records:

272W048 -- longitudinal view of headworks for Spearfish hydro electric power plant, 1910-02

 Item — Cabinet Tan Cabinet 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: 1910-02

272W049 -- concrete RR pierrs constructed by HMC for CB&QRR crossing over intake to Spearfish hydro electric power plant one mile north of Maurice, 1910-04-02

 Item — Cabinet Tan Cabinet 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: 1910-04-02

272W058 -- Spearfish hydro plant no. 2, 1936-06-24

 Item — Cabinet Tan Cabinet 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: 1936-06-24

272W059 -- hydro no. 2 pipeline

 Item — Cabinet Tan Cabinet 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

272W060 -- hydro no. 2 surge tank foundation detail, 1990-05-25

 Item — Cabinet Tan Cabinet 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: 1990-05-25

302-44-68 -- governor piston and ring Englewood power plant, 1909-05-17

 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: 1909-05-17

321-9-61 -- Oil Governor Packing Sleeve and Gland Englewood Power Plant, 1914-02-10

 Item — Cabinet 2, Drawer: 2, Folder: 61
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: 1914-02-10

332-77 -- flanges for Hanna water column, 1909-06-25

 Item — Cabinet Tan Cabinet 8
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: 1909-06-25

334-44-68 -- check-valve details for governor at Englewood power plant, 1909-06-29

 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: 1909-06-29

400-43-68 -- stem box and nut for head gates at hydro-electric, Spearfish, 1910-03-09

 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: 1910-03-09