Geology
Found in 9217 Collections and/or Records:
E-25-9 -- 1100 Ft. Level
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.
E-25-9 -- 1100 Ft. Level
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.
E-25-9 -- 1100 New Lines
Sheet 1 of 2
E-25-9 -- 1100 New Lines
Sheet 1 of 2
E-25-9 -- 1100 New Notes, 1992-03-23
Sheet 5 of 8
E-25-9 -- 1100 New Notes, 1992-03-23
Sheet 3 of 4
E-25-9 -- 1100 No. Drift 18+ Cut to Caledonia waste Raise New Lines
Sheet 3 of 4
E-25-9 -- 1100 Sand Raise Mine Notes
Sheet 1 of 8
E-25-9 -- Mine Notes 1100
Sheet 1 of 4
E-25-9 -- New Lines
Sheet 7 of 8