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Hydroelectric power plants

 Subject
Subject Source: Library of Congress Subject Headings

Found in 361 Collections and/or Records:

D-21-021 -- Window and Door Screens Hydro #2 Spearfish Canyon, 1966-04-20

 Item — Cabinet Multi-Drawer D, Drawer: 21, 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: 1966-04-20

D-21-038 -- Englewood Chlorination Chlorine Bottle Holders, 1968-02-14

 Item — Cabinet Multi-Drawer D, Drawer: 21, 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: 1968-02-14

D-21-042 -- Englewood Chlorinator Bldg Exhuast Fan, 1968-03-14

 Item — Cabinet Multi-Drawer D, Drawer: 21, 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: 1968-03-14

D-25-084B -- 33 KV Power Line - Hydro #1 To Junction-- Detail Long Span Structures, 1927-07-31

 Item — Cabinet Multi-Drawer D, Drawer: 25, 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: 1927-07-31

D-25-085A -- 33 K.V. Line Hydro #1 To Junction, Detail of Stacked Angle Structures, 1982-08-19

 Item — Cabinet Multi-Drawer D, Drawer: 25, 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: 1982-08-19

D-28-031 -- Spearfish Hydro No. 1 Basement Pipe Screens, 1967-06-24

 Item — Cabinet Multi-Drawer D, Drawer: 28, Folder: 1

D-29-019 -- Homestake Main Office Alterations to Front Counter, 1954-06-09

 Item — Cabinet Multi-Drawer D, Drawer: 29, 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: 1954-06-09

D-29-021 -- Pole Line North of Hanna Change at Angle Point, 1957-06-13

 Item — Cabinet Multi-Drawer D, Drawer: 29, 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: 1957-06-13

D-31-159 -- Hanna Pump Station Equipment for Handling Chlorine Tanks, 1946-01-12

 Item — Cabinet Multi-Drawer D, Drawer: 31, Folder: 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: 1946-01-12

D-31-169 -- Seven Stall Garage & Warehouse at Hydro #2- Maurice, S.D., 1941-07-01

 Item — Cabinet Multi-Drawer D, Drawer: 31, Folder: 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: 1941-07-01