South Dakota · Custer County
Occurrence
Empire Pegmatite
Custer County, South Dakota, United States
Feldspar
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USGS source ↗
Commodities
Primary
Feldspar
Commodity type
N
Economic & production
Development status
Occurrence
Identification
Deposit ID
10250651
Region
NA
Data score
D
Coordinates
43.75326, -103.63336
References
GRIES,J.P,PERS COMM,1977