The Unknown is a mine located in Pennington county, South Dakota at an elevation of 5,121 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
State: South Dakota
Elevation: 5,121 Feet (1,561 Meters)
Lat, Long: 43.9306, -103.58440
Map: View on Google Maps
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Unknown MRDS details
State: South Dakota
Type: Located Claim
Owner Name: Public Domain-Us Forest Service
Home Office: South Dakota
Info Year: 1976
Record Type: Site
Operation Category: Occurrence
Operation Type: Underground
Mining Method: Unknown
Years of Production:
General Physiographic Area: Interior Plains
Physiographic Province: Great Plains Province
Physiographic Section: Black Hills
Mineral Deposit Model
Comment (Geology): A 2 TO 3 FT WIDE QTZ VEIN STRIKING N10W AND DIPPING GONE SMALL CRYSTALS OF WOLFRAMITE ARE ASSOCIATED WITH MICA AND GR ALONG MARGINS OF THE VEIN DEVELOPMENT IS BY SHALLOW TRENCHES AND TEST PITS NO RECORDED PRODUCTION TEST PITS AND TRENCHES NOW FILLEDIN QTZ VEIN NO LONGER VISIBLE HARD COPY FILE CONTAINS FILE REPORT PLUS MAPS.
Reference (Deposit): U S BUREAU OF MINES INFO CIRC 7707 P 49 50
Reference (Deposit): SOUTH DAKOTA SCHOOL OF MINES BULL 10 1914 P 220
Reference (Deposit): SOUTH DAKOTA SCHOOL OF MINES BULL 12 1918 P 62
Reference (Deposit): SOUTH DAKOTA SCHOOL OF MINES BULL 17 1937 P 166
Reference (Deposit): G IN SOUTH DAKOTA P 29
Reference (Deposit): GEOL SURVEY BULL 380 1909 P 154
Reference (Deposit): CUMMINGS J B REPT OF S DAK STATE PLANNING BOARD 1936 TUNGSTE
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