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Mine detail: Sister Emma
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North America
United States
Colorado
Boulder
Previously called ''
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Location
Lat / long:
39.99079, -105.37809
Resource(M)
Primary:
Tungsten
Production
Operation type:
Underground
Development status:
Past Producer
Geology
References
MAS
80130728
DEP
10263139
Reference
REF. USGS PROF PAPER 223 PLATE 22
Reporter
Intermountain Field Operations Center (IFOC)