Mine detail: Keystone Mine

Previously called 'Keystone ClaimBeaverhead National Forest'

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Location

Lat / long: 45.5724, -111.96026

Resource(M)

Primary: Tungsten
Tertiary: Silver, Copper

Production

Operation type: Surface-Underground
Development status: Prospect

Geology

References

MRDSD004285
MAS300570109
DEP10294635
Reference{Deposit:: U.S. GEOLOGICAL SURVEY BULLEETIN 574, 1914, P. 125.}{Deposit:: MONTANA BUREAU OF MINES AND GEOL. MEMOIR 9, 1933, P. 32.}{Deposit:: MONTANA BUREAU OF MINES AND GEOL. IC 21, 1958, P. 43.}{Deposit:: U.S. BUREAU OF MINES RI 6334, 1963, P. 29.}
ReporterJohnson