Mine detail: Armstrong No. 1 Prospect

Previously called ''

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Location

Lat / long: 40.19541, -123.30778

Resource(M)

Tertiary: Manganese

Production

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

Geology

Host type:Chert

References

MRDSM020293
DEP10033665
Reference{Deposit:: D.O.M. BULL. 152 1950 P. 302}{Deposit:: D.O.M. BULL. 125 1943 P. 194}
ReporterKillman, K.; Albers, J.