California · San Bernardino County
Past Producer
Keystone Mine
San Bernardino County, California, United States
Gold
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USGS source ↗
Commodities
Primary
Gold
Commodity type
M
Economic & production
Development status
Past Producer
Identification
Deposit ID
10115625
MRDS ID
X024725
Alternate names
Keystone
Region
NA
Data score
D
Coordinates
34.69171, -117.11837
References
CALIF. JOUR. MINES AND GEOL., V. 49, 1953, TABULATED LIST,NO. 137, P. 45.