Mine detail: K. B. No. 4

Previously called ''

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Location

Lat / long: 39.4457, -122.59025

Resource(M)

Primary: Manganese
Ore: Psilomelane, Pyrolusite

Production

Operation type: Unknown
Production size: Small
Development status: Producer

Geology

References

MRDSM008650
DEP10109215
Reference{Deposit:: CALIF. JOUR. MINES & GEOLOGY, V. 48, NO. 1, JAN. 1952, PP. 38-39, 50}{Deposit:: D.O.M. BULL. 152, 1950, PP. 60-61}{Deposit:: U.S.B.M. R.I. 5579, P. 6}
ReporterGere, W., Von Dohlen, E.; Albers, J.