Mine detail: Black Powder

Previously called ''

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Location

Lat / long: 38.85266, -122.45357

Resource(M)

Tertiary: Manganese

Production

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

Geology

References

MRDSM008886
DEP10030630
Reference{Deposit:: CALIF. B. 125, 1943, P. 124}{Deposit:: CALIF. BULL. 152, PP. 88-89}
ReporterGere, W., Killman, K.; Albers, J.