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Mine detail: Helen Group
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North America
United States
South Dakota
Custer
Previously called ''
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Location
Lat / long:
43.71636, -103.61836
Resource(N)
Primary:
Feldspar
Production
Operation type:
Surface
Development status:
Prospect
Geology
References
MAS
460330112
DEP
10250568
Reference
{Deposit:: USBM STAFF,1955,REG.V,I.C.7707.P.181}{Deposit:: GUITERAS,J.R.,1940,USBM I.C.7112.P.72}{Deposit:: PROSPECT MAY OVERLAP INTO E1/2 SECTION 10.}
Reporter
Intermountain Field Operations Center (IFOC)