California · Mono County
Past Producer
Twenty Grand Mine
Mono County, California, United States
Gold
Copper
Lead
Silver
⌖ Show on map
USGS source ↗
Commodities
Primary
Gold
Tertiary
Copper, Lead, Silver
Commodity type
M
Economic & production
Development status
Past Producer
Identification
Deposit ID
10140431
Alternate names
White Mountains Rare Ii Area
Region
NA
Data score
D
Coordinates
37.48574, -118.33314
References
CALIF. JOUR. MINES AND GEOL., V. 36, 1940, P. 139-140.U.S. BUREAU OF MINES OPEN-FILE REPORT MLA 94-83, 1983, TABLE 4,NO. 96, P. 49.