Mine detail: Herndon Manganese No. 1

Previously called ''

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Location

Lat / long: 39.04405, -122.51163

Resource(M)

Tertiary: Manganese
Ore: Psilomelane

Production

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

Geology

References

MRDSM008913
DEP10097020
Reference{Deposit:: CALIF. B. 125, 1943, P. 125}{Deposit:: CALIF. BULL. 152, PP. 91-92, 93}
ReporterGere, W., Killman, K.; Albers, J.