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Hydroelectric power plants

 Subject
Subject Source: Library of Congress Subject Headings

Found in 363 Collections and/or Records:

A-31-011-1 -- Hanna Group & Calcite Group

 Item — Cabinet New 1, Drawer: 1, Folder: 1
Scope and Contents Scale: 1" = 50' ?Linen original. Original Homestake Mining Company Building Groups "P" & "Q" with numbered builings. The part of the map for Group "Q" is for the Calcite Group near Piedmont, S.D. and hhas an X through it with a note that says sold in 1943. Map shows the Lime Kiln, buildings, railroad tracks of BH&FP (Black Hills & Fort Pierre) Railroad, and the creek. The part of the map for Group "P" is for the Hanna Pump Station in Spearfish Canyon and has a note...
Dates: 1877 - 2007
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

A-31-011-2 -- Homestake Mining Co., Englewood Group "O" & Hanna Group "P", 1958-03-26

 Item — Cabinet New 1, Drawer: 1, Folder: 1
Scope and Contents Drawn By: R.H.R.Scale: 1" = 50'Tracing Paper original. Map shows the Englewood Bulding Group "O" and the Hanna Building Group "P" and numbered buildings. Homestake Mining Company Building Group "O" for Englewood Power Plant (5.5 miles south of Lead, SD) along Whitewood Creek. Map shows the Power Plant, Whitewood Creek, CB&Q Railroad (Chicago, Burlington & Quincy) tracks, and pipelines. Homestake Mining Company Building Group "P" for the Hanan Pump Station...
Dates: 1958-03-26
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

A-31-012-1 -- Hydro No. 1 Intake Group "U" & Savoy Group "V" & Hydro No. 2 Intake, 1958-02-28

 Item — Cabinet New 1, Drawer: 1, Folder: 1
Scope and Contents Drawn By: R.H.R.Scale: 1" = 50'Linen original. The drawing is made of 3 separate areas. The first area is Homestake Building Group "V" at Savoy showing numbered buildings, water lines, Highway 14A and road to Hanna. It has Homestake coordinates. The second area is just labelled Hydro No. 2 Intake with no group name and shows Spearfish Creek, a dam, the reservoir, and Highway 14a. It has Homestake coordinates. The third area is Homestake Building Group "U" labelled...
Dates: 1958-02-28
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

A-31-012 -- Homestake Mining Company, Lead, South Dakota, Intake for Hydro-Electric No. 1 group "U" and Savoy Group "V", 1934-12-24

 Item — Cabinet New 1, Drawer: 1, Folder: 1
Scope and Contents Drawn By: A.L.C. & R.S.F.Scale: 1" = 50'Linen original. Map has 2 drawings for separarte areas. First one is the Intake for Hydro-Electreic No. 1 Homestake Building Group "U" that shows the dam, flume, tuinnel, Spearfish Creek, Highway 14A, and buildings with numbers. The other area is for Homestake Building Group "V" for the buildings at Savoy with the nHighway 14A, other roadways, numbered buildings, and water lines.These are the following...
Dates: 1934-12-24
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

A-31-014 -- Englewood Power Plant Group "O"

 Item — Cabinet New 1, Drawer: 1, Folder: 1
Scope and Contents

Scale: 1" = 50'

Linen original. Homestake Mining Company, Englewood, S.D., Building Group "O". Shwing buildings labelled with group letter and number. Showing Homestake Englewood Power Plant, residence, water lines, water hydrants, and road.

Dates: 1877 - 2007
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

A-33-072 -- Map of Break in Hydro #2 Wood Stave Pipe Line, 1974-07-28

 Item — Cabinet New 1, Drawer: 1, Folder: 3
Scope and Contents

Drawn By: H.J.S.

Scale: 1" = 20'

Linen original. Map of break in Hydro-Electric No. 2 52" Wood stave pipeline. Approximately 1/2 mile below American Siding. Coordinates are labelled as assumed. Has 5' contours. Shows where pipeline enters South Portal of Long Tunnel. Has plan and profile view.

Dates: 1974-07-28
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

A-34-009 -- Profile of Sewer Line at Hanna, 1929-08-29

 Item — Cabinet New 1, Drawer: 1, Folder: 4
Scope and Contents

Drawn By: A.L.C.

Scale: 1" = 20'

Original Ledge paper drawn in pencil. Profile of sewer line at Hanna, S.D. at 0.5% grade.

Dates: 1929-08-29
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

A344-130 -- remodeled pulp distributor for cyanide plant no. 1, 1917-05

 Item — Cabinet Tan Cabinet 12
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: 1917-05
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

A2977-100-127 -- Details of Gate Chlorination Plant Hanna Pump Station, 1938-05-05

 Item — Cabinet Tan Cabinet 12
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: 1938-05-05
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

A4768-80-107 -- Stack Assembly for Heating Boiler Englewood, 1956-11-28

 Item — Cabinet 2, Drawer: 4, Folder: 107
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: 1956-11-28
Found in: Homestake Adams Research and Cultural Center / 5043, Homestake Mining Company Maps and Blueprints Collection

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