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Mine detail: Big Tom Mine
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North America
United States
South Dakota
Custer
Previously called 'Kem LodeHelen Beryl'
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Location
Lat / long:
43.70466, -103.69697
Resource(B)
Primary:
Feldspar
Tertiary:
Beryllium, Mica
Production
Operation type:
Surface-Underground
Development status:
Past Producer
Geology
References
MAS
460330059
DEP
10299063
Reference
{Deposit:: GRIES,J.P.,1950,USBM R.I.4396}{Deposit:: PAGE,L.R.,ET AL, 1953,USGS PROF.PAPER 247.PP.128-131}{Deposit:: USBM STAFF,1955,REG.V,I.C.7707.PP.146-147}
Reporter
Intermountain Field Operations Center (IFOC)