Geology
Found in 9217 Collections and/or Records:
MOEA426R1 -- Geology Code 04- Mining Deferred- Estimated Ore- 11 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 04- Mining Deferred- Estimated Ore- 13 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 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.
MOEA440 -- Homestake Mining Company-Lead Total Ore Reserves, 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.
Mogul Underground 4-7
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.
MT5-009 -- Base Map -- Grizzly Gulch with Geology
Scale: 1" = 200'
MT5-009 -- Geologic Map of Northern Black Hills, Southern Half of Lead Quadrangle, 1966-09
Drawn by: W.M., S.N.
Scale: 1" = 1000 feet
The map portion of this is missing. What is available is the index and title of the Geochemical Survey.
Plate 4A
MT5-009 -- Geologic Mapping in the Grizzly Gulch Tailings Reservoir Area, Lawrence County, South Dakota
Scale: 1" = 200'
Countour Interval: 10'
Drawing contains a key of Explanations. The map has been hand colored.