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Hydroelectric power plants

 Subject
Subject Source: Library of Congress Subject Headings

Found in 361 Collections and/or Records:

2985-100-127 -- Low Pressure Needle Valve Englewood Power Plant, 1938-07-07

 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: 1938-07-07

3013-33-59 -- Oil Tank Arrangement Englewood, 1938-11-14

 Item — Cabinet 2, Drawer: 2, Folder: 59
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: 1938-11-14

4066-45-65 -- bents and hangers Hanna pump lines, 1952-05-09

 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: 1952-05-09

4247-80-107 -- Lift Basket for Chlorine and Ammonia Bottles - Hanna, 1953-06-18

 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: 1953-06-18

4254-39-65 -- I.R. type 30 #234 compressor base and drive Hanna, 1953-07-01

 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: 1953-07-01

4412-128 -- motor drive Hanna turn-out gate Hanna, 1954-09-07

 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: 1954-09-07

4748-93-120 -- Expansion Joint 52" Pipe Water Line to Hydro #2, 1956-08-13

 Item — Cabinet 2, Drawer: 6, Folder: 120
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: 1956-08-13

4768-80-107 -- Stack for Heating Boiler Englewood, 1956-09-21

 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: 1956-09-21

4869-130 -- nozzle Spearfish hydro plant #1 electrical department, 1959-03-16

 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: 1959-03-16