Mine detail: Dewhirst

Previously called ''

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Location

Lat / long: 37.5713, -121.63492

Resource(M)

Primary: Manganese
Gangue: Glaucophane

Production

Operation type: Unknown
Production size: Small
Development status: Producer

Geology

References

MRDSM004668
DEP10109081
Reference{Deposit:: CALIF. JOUR. MINES & GEOL. V. 46, NO.2, APRIL 1950, P.343, PL. 58}{Deposit:: DOM BULL. 125, P.98}{Deposit:: BULL. 152, P.19-20}
ReporterGere, W., Von Dohlen, E.; Albers, J.