The Unknown is a uranium mine located in Jefferson county, Montana.
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.
Primary Mineral: Uranium
Lat, Long: 46.04139, -111.66972
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
Record Type: Site
Operation Category: Occurrence
Deposit Type: Sedimentary
Operation Type: Unknown
Years of Production:
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Mineral Deposit Model
Comment (Location): S END TOWNSEND VALLEY
Comment (Geology): GEOL.DESC: IN AND PENECONCORDANT WITH SEDIMENTS
Reference (Deposit): BUTLER, 1963, USGS MAP MR-21, P. 13
Reference (Deposit): BECRAFT, USGS BULL. 1046-G, P. 149
Reference (Deposit): CONSV. DIV. COMP. DATE, 10-06-1971
Colorized Mining Photos
Western Mining History's collection of colorized mining photos includes incredible scenes from Montana: Best Historical Photos: Colorized Mining Scenes.