South Dakota · Pennington County
Past Producer
Plate Mica Lode
Pennington County, South Dakota, United States
Beryllium
Mica
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USGS source ↗
Commodities
Primary
Beryllium
Tertiary
Mica
Commodity type
B
Economic & production
Development status
Past Producer
Identification
Deposit ID
10154092
Region
NA
Data score
D
Coordinates
43.89936, -103.45136
References
USBM STAFF,REG V,INFO.CIRC.7707,1955,PP.80-81