South Dakota · Pennington County
Past Producer
Ponca Group MS 1110
Pennington County, South Dakota, United States
Feldspar
Beryllium
Mica
⌖ Show on map
USGS source ↗
Commodities
Primary
Feldspar
Tertiary
Beryllium, Mica
Commodity type
B
Economic & production
Development status
Past Producer
Identification
Deposit ID
10177905
Region
NA
Data score
D
Coordinates
43.87306, -103.36866
References
USBM STAFF,REG.V,INFO.CIRC.7707,1955,P.81