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Hydroelectric power plants

 Subject
Subject Source: Library of Congress Subject Headings

Found in 363 Collections and/or Records:

D-31-277 -- Spearfish Hydro #1 Main Entrance and Enclosure, 1967-06-22

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

Sheet 1

Dates: 1967-06-22
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

D-31-280 -- Window Screens for Hanna Pump Station, 1968-07-15

 Item — Cabinet Multi-Drawer D, Drawer: 31, Folder: 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: 1968-07-15
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

D-32-034 -- Englewood Boiler Plant, 1931-08-25

 Item — Cabinet Multi-Drawer D, Drawer: 32, 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: 1931-08-25
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

D-32-136 -- Hydro No. 2 Pipe Line Swayback Trestle Rebuilding Steel Details, 1957-07-18

 Item — Cabinet Multi-Drawer D, Drawer: 32, Folder: 5
Scope and Contents

Sheet 2

Dates: 1957-07-18
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

D-32-136 -- Hydro No. 2 Pipe Line Swayback Trestle Rebuilding Steel Details, 1957-07-16

 Item — Cabinet Multi-Drawer D, Drawer: 32, Folder: 5
Scope and Contents

Sheet 3

Dates: 1957-07-16
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

D-32-136 -- Hydro No. 2 Pipe Line Swayback Trestle Rebuilding Steel Details, 1954-07-23

 Item — Cabinet Multi-Drawer D, Drawer: 32, Folder: 5
Scope and Contents

Sheet 4

Dates: 1954-07-23
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

D-32-136 -- Hydro No. 2 Pipe Line Swayback Trestle Rebuilding Steel Details, 1957-08-22

 Item — Cabinet Multi-Drawer D, Drawer: 32, Folder: 5
Scope and Contents

Sheet 5

Dates: 1957-08-22
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

D-32-136 -- Hydro No.2 Pipe Line - Swayback Trestle Rebuilding - Steel Details, 1957-07-18

 Item — Cabinet 13, Drawer: 5
Scope and Contents

Sheet 2

Dates: 1957-07-18
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

D-32-136 -- Hydro No.2 Pipe Line - Swayback Trestle Rebuilding - Steel Details, 1957-07-16

 Item — Cabinet 13, Drawer: 5
Scope and Contents

Sheet 3

Dates: 1957-07-16
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

D-32-136 -- Hydro No.2 Pipe Line - Swayback Trestle Rebuilding - Steel Details, 1954-07-23

 Item — Cabinet 13, Drawer: 5
Scope and Contents

Sheet 4

Dates: 1954-07-23
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

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