South Dakota · Custer County
Past Producer
Minnie V
Custer County, South Dakota, United States
Feldspar
Beryllium
Mica
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USGS source ↗
Commodities
Primary
Feldspar
Tertiary
Beryllium, Mica
Commodity type
B
Economic & production
Development status
Past Producer
Identification
Deposit ID
10153816
Region
NA
Data score
D
Coordinates
43.76306, -103.52366
References
TULLIS,E.L.,1952,USBM R.I.4855,P.8