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Mine detail: Columbite
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North America
United States
Montana
Ravalli
Previously called ''
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Location
Lat / long:
45.50458, -114.32284
Resource(M)
Primary:
Niobium (Columbium)
Production
Operation type:
Unknown
Development status:
Occurrence
Geology
References
MAS
300810037
DEP
10221637
Reference
MBM & G BULL. 8, 1957, P53
Reporter
Western Field Operations Center (WFOC)