South Dakota · Custer County
Past Producer
Dubuque
Custer County, South Dakota, United States
Beryllium
Mica
Feldspar
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USGS source ↗
Commodities
Primary
Beryllium
Tertiary
Mica, Feldspar
Commodity type
B
Economic & production
Development status
Past Producer
Identification
Deposit ID
10153232
Alternate names
Royal Flush, Gayle
Region
NA
Data score
D
Coordinates
43.74166, -103.69417
References
REDDEN,J.A.1963,USGS PROF PAPER 297-D,P 276TULLIS,E.L.,1952,USBM RI 4855,FIGI