Mine detail: Cummings Mine

Previously called 'Lone TreeSection 13Winship.'

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Location

Lat / long: 37.58408, -121.48491

Resource(M)

Primary: Manganese
Ore: Bementite

Production

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

Geology

Host rock:Franciscan Complex
Host type:Chert

References

MRDSM020143
DEP10033550
Reference{Deposit:: D.O.M. BULL. 152 1950 PP. 221 - 222}{Deposit:: D.O.M. BULL. 125 1943 P. 166}
ReporterKillman, K.; Albers, J.