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Mine detail: Dewey Mine MS 1699
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North America
United States
South Dakota
Pennington
Previously called ''
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Location
Lat / long:
43.88216, -103.54476
Resource(B)
Primary:
Mica
Tertiary:
Feldspar, Lithium
Production
Operation type:
Underground
Development status:
Past Producer
Geology
References
MAS
461030120
DEP
10274733
Reference
USBM STAFF,REG V,INFO.CIRC.7707,1955,P.69
Reporter
Intermountain Field Operations Center (IFOC)