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Mine detail: Helena Pumicite Deposit
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North America
United States
Montana
Lewis and Clark
Previously called ''
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Location
Lat / long:
46.5855, -111.93008
Resource(N)
Primary:
Pumice
Production
Operation type:
Unknown
Development status:
Occurrence
Geology
References
MAS
300490352
DEP
10124670
Reporter
Western Field Operations Center (WFOC)