Hydroelectric Plants
Found in 355 Collections and/or Records:
403-43-68 -- details of head-gate frames for Spearfish hydro-electric, 1910-03-16
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.
425-43-68 -- 150" weir for Spearfish hydro-electric, 1910-06-18
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.
502W011 -- hydro electric no. 1 "K,L,M", 1922-11
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.
502W012 -- hydro electric no. 2 "M"
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.
550-43-68 -- details of 50 head gate frame Spearfish hydro-electric, 1911-09-21
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.
576-43-68 -- relief valve for hydro-electric plant Spearfish, 1911-11-14
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.
580-43-68 -- proposed arrangement of tranformer pipes at Spearfish hydro-electric, 1911-12-09
Sheet 2
580-43-68 -- proposed arrangement of tranformer pipes at Spearfish hydro-electric, 1911-12-09
Sheet 1
583-43-68 -- relief valve connection for Spearfish Hydro-Electric Plant, 1911-12-20
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.
590-43-68 -- needle valve Spearfish Hydro-Electric Plant, 1912-01-24
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.