Mine detail: Helen Shaft

Previously called ''

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Location

Lat / long: 39.51822, -115.9917

Resource(M)

Primary: Silver
Tertiary: Copper, Gold, Lead

Production

Operation type: Underground
Development status: Past Producer

Geology

References

MAS320110088
DEP10125309
Reference{Deposit:: NBMG BULL.64, P.82, TABLE 14, PL.1, NO.55, PL.2.}{Deposit:: USGS PROF. PAPER 406, 1962, PL.1, NO.10, PL.5, P.29-30.}
ReporterKuizon, Lucy