The Unknown is a gold and silver mine located in Teller county, Colorado.
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.
Commodity: Gold, Silver
Lat, Long: 38.74129, -105.11062
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
District: Cripple Creek
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Years of Production:
Mineral Deposit Model
Comment (Geology): GEOL.DESC: MINER. WITHIN CRATER OF MIOCENE VOLCANO
Comment (Production): $424,190,000 AU, $1,850,000 AG
Comment (Deposit): SECOND LARGEST AU PRODUCER IN THE USA.
Reference (Deposit): CONSV. DIV. COMP. DATE, 7,69
Reference (Deposit): USGS PROF. PAPER 54, 1906, P. 1-516
Reference (Deposit): USGS 16TH ANN. REPORT 1895, P. 1-209
Reference (Deposit): USGS BULL. 955-B, 1949, P. 1-60
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.