Montana · Madison County
Prospect

Keystone Mine

Madison County, Montana, United States
TungstenCopperSilver
⌖ Show on mapUSGS source ↗
Commodities
PrimaryTungsten
TertiaryCopper, Silver
Commodity typeM
Economic & production
Development statusProspect
Identification
Deposit ID10294635
MRDS IDD004285
Alternate namesKeystone Claim, Beaverhead National Forest
RegionNA
Data scoreC
Coordinates45.5724, -111.96026
References
U.S. GEOLOGICAL SURVEY BULLEETIN 574, 1914, P. 125.MONTANA BUREAU OF MINES AND GEOL. MEMOIR 9, 1933, P. 32.MONTANA BUREAU OF MINES AND GEOL. IC 21, 1958, P. 43.U.S. BUREAU OF MINES RI 6334, 1963, P. 29.