Mine detail: Corner No. 1 and No. 2 Prospects

Previously called 'Helmke Manganese Group'

<< Back to the map

Location

Lat / long: 40.14515, -123.52472

Resource(M)

Tertiary: Manganese
Discovery year: 1942

Production

Operation type: Unknown
Development status: Prospect

Geology

References

MRDSM020318
MAS61050027
DEP10117493
Reference{Deposit:: USGS 1942}{Deposit:: CALIF BULL 152 1950 P 313}
ReporterUnknown