Geology
Found in 9217 Collections and/or Records:
MT5-009 - Geologic Sections Looking North Across the Rochford Anticline, 1972-05
Scale: 1" = 2000'
Drawing has five sections labeled as "45,000 S.", "55,000 S.", "65,000 S.", "75,000 S.", and "85,000 S." The map includes a legend and it is hand colored.
Plate 2.
MT5-009 -- Map 2 Geologic Map of Grizzly Gulch and Vicinity
Scale: 1" = 1000'
Countour Interval: 40'
Drawing includes a key of "Explanations" of tertiary, cambrain, and precambrian eras.
MT5-009 -- Quartz Vein - Vertical Cross Section, 1972-09
Scale: 3 inches = 5 feet
Drawing features an area with a Chlorite-Pyrrhotite Zone, and a Arsenopyrite Zone. There are small cirlces that are identified as test holes. The drawing is hand colored.
MT5-009 -- The Metamorphic Zonation of the Lead District, 1973
Scale: 1:24000
Base Map (Revised in part) from a field compeltion map by Richard W. Bayley. Map includes a key of initials used. Map features Biotite Zone, and Garnet Zone. Other features on the map include Cutting Stock, Deadwood Creek, Whitetail Creek, and City Creek.
M.U. 2- No. 1017 -- Homestake Mining Company - Bald Mountain Plans, Mine Workings, Claims: Empire State Workings, 1916-08-05
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.
N-28-59 -- 2900 9L, 1991-12-04
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.
N9755-90 -- Front Columns for 2650 Ross Skiploader, 1990-03-12
Sheet 14 of 23
N/A [Corner Torn Off]
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.
N/A -- Sheet: Elevation Info.
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.
New Notes 5000 Subsill 19 L, 1994-09
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.