Mine detail: Johnson Ranch

Previously called ''

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Location

Lat / long: 38.33768, -120.83658

Resource(M)

Primary: Copper, Gold, Silver

Production

Operation type: Unknown
Production size: None
Development status: Occurrence

Geology

Host type:Greenstone

References

MRDSM004876
DEP10028078
Reference{Deposit:: AUBURY, L.E., 1908 , COPPER RESOURCES OF CALIFORNIA BULL. 50 ; CALIF. MIN. BUR., P. 227}{Deposit:: TUCKER, W.B., 1914 , AMADOR COUNTY; 14TH REPT. STATE MINERALOGIST; CALIF. MIN. BUR., P. 13}
ReporterGere, W., Fraticelli, L. A. (Albers, J.)