Hydroelectric power plants
Subject
Subject Source: Library of Congress Subject Headings
Found in 361 Collections and/or Records:
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
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
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
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
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
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
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
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
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
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