The Unknown is a magnesite mine located in Fremont county, Wyoming at an elevation of 4,803 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.
Elevation: 4,803 Feet (1,464 Meters)
Lat, Long: 43.4075, -108.17310
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
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Mining Method: Unknown
Years of Production:
General Physiographic Area: Rocky Mountain System
Physiographic Province: Middle Rocky Mountains
Mineral Deposit Model
Comment (Geology): FOLDED & FAULTED DOLOMITE BEDS 10-100 FT THICK IN THE BIG HORN & LOWER MADISON FM CROP OUT IN THE CANYON
Reference (Deposit): WYO GEOL SURV BULL 50 1966 P 67
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