South Dakota · Custer County
Prospect
Helen Group
Custer County, South Dakota, United States
Feldspar
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USGS source ↗
Commodities
Primary
Feldspar
Commodity type
N
Economic & production
Development status
Prospect
Identification
Deposit ID
10250568
Region
NA
Data score
D
Coordinates
43.71636, -103.61836
References
USBM STAFF,1955,REG.V,I.C.7707.P.181GUITERAS,J.R.,1940,USBM I.C.7112.P.72PROSPECT MAY OVERLAP INTO E1/2 SECTION 10.