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Hydroelectric power plants

 Subject
Subject Source: Library of Congress Subject Headings

Found in 363 Collections and/or Records:

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
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

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
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

D-31-214 -- Spearfish Hydro No. 2 Trestle for 52 Inch Line at Johnson Gulch, 1952-08-12

 Item — Cabinet Multi-Drawer D, Drawer: 31, Folder: 5
Scope and Contents

Sheet 1

Dates: 1952-08-12
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

D-31-214 -- Spearfish Hydro No. 2 Trestle for 52 Inch Line at Johnson Gulch, 1952-08-12

 Item — Cabinet Multi-Drawer D, Drawer: 31, Folder: 5
Scope and Contents

Sheet 2

Dates: 1952-08-12
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

D-31-214 -- Spearfish Hydro No. 2 Trestle for 52 Inch Line at Johnson Gulch, 1952-08-12

 Item — Cabinet Multi-Drawer D, Drawer: 31, Folder: 5
Scope and Contents

Sheet 3

Dates: 1952-08-12
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

D-31-214 -- Spearfish Hyrdo No 2 Cover for 52" Line at Johnson Gulch, 1967-10-06

 Item — Cabinet Multi-Drawer D, Drawer: 31, Folder: 5
Scope and Contents

Sheet 4

Dates: 1967-10-06
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

D-31-261 -- Englewood Chlorinator Building, 1966-05-07T00:00:00+00:00

 Item — Cabinet Multi-Drawer D, Drawer: 31, Folder: 6
Scope and Contents

Sheet 3B

Dates: 1966-05-07T00:00:00+00:00
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

D-31-261 -- Englewood Power House, 1970-10-05T00:00:00+00:00

 Item — Cabinet Multi-Drawer D, Drawer: 31, Folder: 6
Scope and Contents

Sheet 3C

Dates: 1970-10-05T00:00:00+00:00
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

D-31-270 -- Spearfish Hydro-Electric #2 Screens, Screens, Front Doors, 1966-08-24

 Item — Cabinet Multi-Drawer D, Drawer: 31, Folder: 6
Scope and Contents

Sheet 1

Dates: 1966-08-24
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

D-31-277 -- Spearfish Hydro #1 Entrance Enclosures, 1967-06-23

 Item — Cabinet Multi-Drawer D, Drawer: 31, Folder: 7
Scope and Contents

Sheet 2

Dates: 1967-06-23
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

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