Mine detail: Johnson Ranch

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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

MRDS	M004876
DEP	10028078
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}
Reporter	Gere, W., Fraticelli, L. A. (Albers, J.)