California · Trinity County
Prospect
Black Rock Claim
Trinity County, California, United States
Manganese
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USGS source ↗
Commodities
Tertiary
Manganese
Commodity type
M
Economic & production
Development status
Prospect
Discovery year
1940
Identification
Deposit ID
10190085
Region
NA
Data score
D
Coordinates
40.64984, -123.45302
References
IVAN WILSON JULY 25, 1941CALIF BULL 152 1950 P 307