Mine detail: Keystone District

Previously called 'Iron Mountain District'

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Location

Lat / long: 47.26658, -114.90099

Resource(M)

Primary: Zinc, Lead, Silver

Production

Operation type: Unknown
Deposit type: VEINS AND SHEAR ZONES
Production size: Small
Development status: Producer

Geology

References

MRDSUS30014
DEP60001551
ReferenceGUILD, PHILIP W., 1981, PRELIMINARY METALLOGENIC MAP OF NORTH AMERICA: A NUMERICAL LISTING OF DEPOSITS: U.S. GEOLOGICAL SURVEY CIRCULAR 858-A, 93 P.
ReporterU.S. GEOLOGICAL SURVEY