Geology
Found in 9217 Collections and/or Records:
UC-18 -- Homestake Mining Company - Bald Mountain Plans, Mine Workings, Claims: Dakota
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.
UC-19 -- Homestake Mining Company - Bald Mountain Plans, Mine Workings, Claims: Oberto Stope
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.
UC-23 -- Homestake Mining Company - Bald Mountain Plans, Mine Workings, Claims: Drawing of Underground Workings
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.
UC-20/22-3 -- Homestake Mining Company - Bald Mountain Plans, Mine Workings, Claims: Oberto Stope, Dakota Shaft
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.
UC-22/23-5 -- Homestake Mining Company - Bald Mountain Plans, Mine Workings, Claims: Dakota, Gunnison Dump, 1936-05-25
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.
Underground ore reserve projections/accounts, etc., 1500 ft. level, 9L, N83-84 Stope, 1992
Many papers in a manila envelope
Underground ore reserve projections/accounts, etc., 1700 ft. level, 7L, N61-63 Stope, 1992
Many papers in a manila envelope
Underground ore reserve projections/accounts, etc., 1850 ft. level, 7L, N56-59 Stope, 1992
Many papers in a manila envelope
Underground ore reserve projections/accounts, etc., 2300 ft. level, 9L, N47-49 Stope, 1992
Many papers in a manila envelope
Underground ore reserve projections/accounts, etc., 4100 ft. level, 11L, N19-21 Stope, 1992
Many papers in a manila envelope