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Electrical

 Subject
Subject Source: Local sources

Found in 387 Collections and/or Records:

B-25-028 -- Plan Showing Location of Homestake Mining Co.'s Telephone Pole Line Through Spearfish Canyon, Connecting HydroElectric Plant No. 1 at Spearfish with Hydroelectric Plant No. 2 at Maurice, and Showing Intersections Through Forest Reserve, in Lawrence County, South Dakota, 1933-12-05

 Item — Cabinet 6, Drawer: 6
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: 1933-12-05

B-25-029 -- Plan and Profile of Proposed Ross Shaft Power Line, Crossing over Chicago & Northwestern Railroad Tracks, 1933-11-27

 Item — Cabinet 6, Drawer: 6
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: 1933-11-27

B-25-046 -- Pole Line to Nemo

 Item — Cabinet 6, Drawer: 6

B-25-046A -- Pole Line to Nemo

 Item — Cabinet 6, Drawer: 6

B-25-048 -- Map Showing Proposed Transmission Line Tie Between Homestake Hydro-Plant and Spearfish Sub-Station Black Hills Power & Light Co. - 1 Copy, 1943-09

 Item — Cabinet 6, Drawer: 6
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: 1943-09

C-100023 -- Baffle Boards for 24'4" Width Channel (RBC), 1983-03-23

 Item — Cabinet 1, Drawer: 5
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: 1983-03-23

C-100025-1 -- Outline Diagram of ST25 Transducers, Showing Mounting and Connections, undated

 Item — Cabinet 1, Drawer: 5
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: undated

C-161877-2-001 -- 3 Simplex Milroyal Mod "A" Pumps MTD on a Common Skid, 1983-08-18

 Item — Cabinet 1, Drawer: 5
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: 1983-08-18

C-161877-4-001 -- Base for (3) Simplex Milroyal Mod "A" Pump, 1983-08-19

 Item — Cabinet 1, Drawer: 5
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: 1983-08-19