Mine detail: White

Previously called 'Maple Springs DepositHelmke Manganese Group'

<< Back to the map

Location

Lat / long:

40.13345, -123.53172

Resource(M)

Tertiary:	Manganese
Discovery year:	1942

Production

Operation type:	Surface
Development status:	Prospect

Geology

References

MRDS	W025916
MAS	61050081
DEP	10166084
Reference	CA BULL 152 1950 P 340
Reporter	Western Field Operations Center (WFOC)