Hydroelectric power plants
Found in 361 Collections and/or Records:
A-31-011-2 -- Homestake Mining Co., Englewood Group "O" & Hanna Group "P", 1958-03-26
A-31-012-1 -- Hydro No. 1 Intake Group "U" & Savoy Group "V" & Hydro No. 2 Intake, 1958-02-28
A-31-012 -- Homestake Mining Company, Lead, South Dakota, Intake for Hydro-Electric No. 1 group "U" and Savoy Group "V", 1934-12-24
A-33-072 -- Map of Break in Hydro #2 Wood Stave Pipe Line Approximately 1/2 Mile Below American Siding, 1974-07-28
A-34-009 -- Profile of Sewer Line at Hanna, 1929-08-29
A344-130 -- remodeled pulp distributor for cyanide plant no. 1, 1917-05
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.
A2977-100-127 -- Details of Gate Chlorination Plant Hanna Pump Station, 1938-05-05
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.
A4768-80-107 -- Stack Assembly for Heating Boiler Englewood, 1956-11-28
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.
A4969-129 -- front elevation Hanna pump station, 1957-11-05
Sheet 2
A8901-71 -- englewood lead wier and intake sump plan view, 1985-10-11
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.