Geology
Found in 9217 Collections and/or Records:
2799 -- Homestake Mining Company - Bald Mountain Plans, Mine Workings, Claims: Porphyry Contact Workings, Bald Mountain Mining Co., Porphyry contact workings sublevel above porphyry contact
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.
2800 -- Homestake Mining Company - Bald Mountain Plans, Mine Workings, Claims: Upper Contact Workings, Bald Mountain Mining Co., Trojan, S. Dak., Flat ore workings sublevel below flat ore 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.
2801 -- Homestake Mining Company - Bald Mountain Plans, Mine Workings, Claims: Bald Mountain Mining Co., Trojan, S. Dak. , Map of the Upper Contact Workings, Flat ore workings sublevel below flat ore 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.
2802 -- Homestake Mining Company - Bald Mountain Plans, Mine Workings, Claims: Porphyry Contact Workings, Bald Mountain Mining Co., Trojan, S. Dak., Porphyry contact workings sublevel aborve porphyry contact
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.
2803 -- Homestake Mining Company - Bald Mountain Plans, Mine Workings, Claims: Bald Mountain Mining Co., Trojan, S. Dak. Map of the Porphyry Contact Workings, Porphyry contact workings sublevel above porphyry contact
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.
2804 -- Homestake Mining Company - Bald Mountain Plans, Mine Workings, Claims: Bald Mountain Mining Co., Trojan, S. Dak., Map of the Lwoer Contact 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.
2805 -- Homestake Mining Company - Bald Mountain Plans, Mine Workings, Claims: Porphyry Contact Workings, Bald Mountain Mining Co., Trojan, S. Dak., porphyry contact workings, sublevel above porphyry contact
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.
2806 -- Lower Contract Workings - Bald Mountain Mining Co. Trojan, SD
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.
2807 -- Homestake Mining Company - Bald Mountain Plans, Mine Workings, Claims: Lower Contact Workings, Bald Mountain Mining Co., Trojan, S. Dak.
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.
2808 -- Lower Contract Workings - Bald Mountain Mining Co. Trojan, SD
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.