South Dakota · Custer County
Prospect
Helen Beryl
Custer County, South Dakota, United States
Tantalum
Niobium (Columbium)
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USGS source ↗
Commodities
Tertiary
Tantalum, Niobium (Columbium)
Commodity type
M
Economic & production
Development status
Prospect
Identification
Deposit ID
10299140
Alternate names
Sweepstakes Beryl
Region
NA
Data score
E
Coordinates
43.71276, -103.69697