Geology
Found in 9217 Collections and/or Records:
2809 -- Homestake Mining Company - Bald Mountain Plans, Mine Workings, Claims: Composite Mine Map, 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.
2810 -- Homestake Mining Company - Bald Mountain Plans, Mine Workings, Claims: Compositie Mine Map, 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.
2811 -- Bald Mountain Mining Company - Plan & Profile 4C Upper Portland, 1941-02-15
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.
2814 -- Homestake Mining Company - Bald Mountain Plans, Mine Workings, Claims: Bald Mountain Mining Co., Geologic Map, Upper Contact Workings, 1946-10
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.
2815 -- 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.
2849 -- PreCambrian Surface --Top of PreCambrian Surface -- B.M.P.T. (Structral Cont.) Foley Ridge (Area)
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.
2859 -- 2nd half of map above -- [Survey Points?]
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.
2860 -- 1/2 of map -- [Survey Points?]
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.
2861 -- Geology -- Bald Mounain Area w/sample Loc.
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.
2862 -- Bald Mnt. Drill Hole X-Section w/colored Geol holes - 17-36
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.