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Hydroelectric power plants

 Subject
Subject Source: Library of Congress Subject Headings

Found in 361 Collections and/or Records:

224W066 -- Hanna pump station 1000 gal. I.R. pumps crane bean steel details, 1975-02-25

 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: 1975-02-25

224W067 -- Hanna pump station 2 - 1000 gal. I.R. pumps steel details and foundation, 1974-02-13

 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: 1974-02-13

224W068 -- Hanna pump station 2- 1000 gal. I.R. pumps pipe details, 1974-02-11

 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: 1974-02-11

224W069 -- Fittings to install Ing. Rand 3GT at Hanna, 1968-07-25

 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: 1968-07-25

224W070 -- foot value trolley beam - Hanna pumps, 1968-10-03

 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: 1968-10-03

224W071 -- foundation point for 3GT pump at Hanna, 1968-10-14

 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: 1968-10-14

224W072 -- removable guard railings for floor level difference at Hanna pump building, 1974-05-21

 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: 1974-05-21

232W004 -- intake screen for Spearfish intake Highway 85 Hanna pump station, 1989-09-21

 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: 1989-09-21

232W032 -- map showing Spearfish Puritan Oil Co., Garbage Disposal, Spearfish Reservoir, Hydro No. 1, etc.

 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

232W052 -- Spearfish hydro No. 2 trestle for 52 inch line at Johnson Gulch, 1952-08-12

 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: 1952-08-12