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Hydroelectric Plants

 Subject
Subject Source: Local sources

Found in 355 Collections and/or Records:

C-140-4 -- Plat of Spearfish Conduit

 Item — Cabinet 14, Drawer: 1, 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: 1877 - 2007

C-786 -- Reinforced Concrete Wye 30," 48" and 52" Wood Stave Pipes, Spearfish Hydro-Electric Plant, 1917-08-09

 Item — Cabinet 14, Drawer: 1, 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: 1917-08-09

C-786 -- Reinforced Concrete, Wyo. For joining 30," 48" and 52" Wodo Stave Pipes, Spearfish Hydro-Electric Plant #2, 1917-08-09

 Item — Cabinet 14, Drawer: 3, Folder: 9
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: 1917-08-09

C-790-3 -- Graphical Record of Progress of Construction, Spearfish Hydro. Development #2 for HMC, Maurice, SD

 Item — Cabinet 14, Drawer: 3, 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: 1877 - 2007

C-790-3 -- Graphical Record of Progress of Construction, Spearfish Hydro. Development #2 for HMC, Maurice, SD

 Item — Cabinet 14, Drawer: 3, 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: 1877 - 2007

C-790-3 -- Graphical Record of Progress of Construction, Spearfish Hydro. Development #2 for HMC, Maurice, SD

 Item — Cabinet 14, Drawer: 3, 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: 1877 - 2007

C-790-3 -- Graphical Record of Progress of Construction, Spearfish Hydro. Development #2 for HMC, Maurice, SD

 Item — Cabinet 14, Drawer: 3, 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: 1877 - 2007

C-790-3 -- Graphical Record of Progress of Construction, Spearfish Hydro. Development #2 for HMC, Maurice, SD

 Item — Cabinet 14, Drawer: 3, 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: 1877 - 2007

C-790-3 -- Graphical Record of Progress of Construction, Spearfish Hydro. Development #2 for HMC, Maurice, SD

 Item — Cabinet 14, Drawer: 3, 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: 1877 - 2007

C-790-3 -- Graphical Record of Progress of Construction, Spearfish Hydro. Development #2 for HMC, Maurice, SD

 Item — Cabinet 14, Drawer: 3, 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: 1877 - 2007