South Dakota · Custer County
Past Producer
Evergreen Group
Custer County, South Dakota, United States
Feldspar
Beryllium
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USGS source ↗
Commodities
Primary
Feldspar
Tertiary
Beryllium
Commodity type
B
Economic & production
Development status
Past Producer
Identification
Deposit ID
10129561
Region
NA
Data score
D
Coordinates
43.73076, -103.58776
References
USBM STAFF 1955 REG V IC 7707 P168TULLIS,E.L.1952,USBM RI 4855,FIG I