Mine detail: Twenty Grand Mine

Previously called 'White Mountains Rare Ii Area'

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Location

Lat / long: 37.48574, -118.33314

Resource(M)

Primary: Gold
Tertiary: Copper, Lead, Silver

Production

Operation type: Underground
Development status: Past Producer

Geology

References

MAS60510076
DEP10140431
Reference{Deposit:: CALIF. JOUR. MINES AND GEOL., V. 36, 1940, P. 139-140.}{Deposit:: U.S. BUREAU OF MINES OPEN-FILE REPORT MLA 94-83, 1983, TABLE 4,}{Deposit:: NO. 96, P. 49.}
ReporterSchmauch, Steven W.