Ore Estimates
Found in 44 Collections and/or Records:
MOEA426R1 -- Geology Code 04- Mining Deferred- Estimated Ore- 21 Ledge Ore Body, 1987-01-01
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.
MOEA426R1 -- Geology Code 05- Cannot Mine Estimated Ore- 9 Ledge Ore Body, 1987-01-01
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.
MOEA426R1 -- Geology Code 05- Cannot Mine Estimated Ore- 21 Ledge Ore Body, 1987-01-01
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.
Ore Contacts - Lower Contact =Black -- Porphyry Contact= yellow -- Upper Contact =red, 1918-01-01
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.