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Hydroelectric power plants

 Subject
Subject Source: Library of Congress Subject Headings

Found in 361 Collections and/or Records:

1517-9-61 -- Baffle in 10" Connection to Air Chamber Hanna Pump Line, 1920-02-07

 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: 1920-02-07

1586-44-68 -- strap brace for air chamber Hanna pump station, 1920-07-17

 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: 1920-07-17

2021, Drawer 16 -- Plan of Surge Tank Base on CL of Pipe, 1918-07-05

 Item — Cabinet 14, Drawer: 1, 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: 1918-07-05

2100, Drawer 16 -- Cross-sectional Elevation of Differential Surge Tank for 52" Wood Stave Pipeline. Spearfish Power Station No. 2, Maurice, S. Dak., 1918-09-17

 Item — Cabinet 14, Drawer: 1, 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: 1918-09-17

2284-43-68 -- needle valve Spearfish Hydro-Electric Plant, 1930-05-02

 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: 1930-05-02

2339-34-60 -- Needle Valve Shaft Englewood Hydro, 1930-11-15

 Item — Cabinet 2, Drawer: 2, Folder: 60
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: 1930-11-15

2580-130 -- proposed heating plan cyanide no. 3, 1933-09-25

 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: 1933-09-25

2920-29-56 -- Proposed Location of Orifice Centrifugal Pump Header Hanna Pump Station, 1937-05-05

 Item — Cabinet 2, Drawer: 1, Folder: 56
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: 1937-05-05

2975-98-123 -- Needle Valve Englewood Power Plant, 1938-04-22

 Item — Cabinet 2, Drawer: 6, Folder: 123
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: 1938-04-22

2977-100-127 -- Bypass for Surplus Water Chlorination Plant Hanna Pump Station, 1938-04-30

 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: 1938-04-30