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Mine detail: Unknown
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North America
United States
Iowa
Marshall
Previously called ''
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Location
Lat / long:
42.00921, -92.9621
Resource(N)
Primary:
Flagstone
Production
Operation type:
Surface
Development status:
Past Producer
Geology
References
MAS
191270028
DEP
10193916
Reference
{Deposit:: QUARRIES ALSO IN SW SW SEC.9}{Deposit:: IOWA GEOLOGICAL SURVEY, ANNUAL REPORT 1906, VOL. 17, P. 477.}
Reporter
Igs / Dh