Mine detail: Helena

Previously called ''

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Location

Lat / long: 40.71155, -123.12501

Resource(M)

Primary: Gold

Production

Operation type: Placer
Development status: Unknown

Geology

References

MAS61050676
DEP10117831
Reference{Deposit:: CALF. MIS,V.16,#2,P.3; HYDRAULIC OPERATION ON VIRGIN GROUND}{Deposit:: TO BEGIN OPER.IN 1962;}
ReporterWestern Field Operations Center (WFOC)