Mine detail: Bear Ridge

Previously called ''

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Location

Lat / long: 40.34513, -123.55195

Resource(M)

Tertiary: Manganese

Production

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

Geology

References

MRDSM008774
DEP10030575
Reference{Deposit:: D.O.M. BULL. 152 1950 P. 304}{Deposit:: D.O.M. BULL. 125 1943 P. 195}{Deposit:: U.S.B.M. R.I. 5579 P. 14}
ReporterGere, W., Killman, K.; Albers, J.