Mine detail: Harms

Previously called ''

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Location

Lat / long: 39.46319, -123.17193

Resource(M)

Tertiary: Manganese
Ore: Psilomelane, Pyrolusite

Production

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

Geology

References

MRDSM010048
DEP10097029
Reference{Deposit:: CALIF. JOUR. MINES & GEOLOGY, V. 49, NO. 4, OCT. 1953, P. 386}{Deposit:: D.O.M. BULL. 152, PP. 123-125}
ReporterGere, W., Killman, K.; Albers, J.