Mine detail: Black Rock Claim

Previously called ''

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Location

Lat / long: 40.64984, -123.45302

Resource(M)

Tertiary: Manganese
Discovery year: 1940

Production

Operation type: Unknown
Development status: Prospect

Geology

References

MAS61050016
DEP10190085
Reference{Deposit:: IVAN WILSON JULY 25, 1941}{Deposit:: CALIF BULL 152 1950 P 307}
ReporterWestern Field Operations Center (WFOC)