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Mine detail: Unknown
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North America
United States
Iowa
Warren
Previously called ''
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Location
Lat / long:
41.21811, -93.76132
Resource(N)
Primary:
Flagstone
Production
Operation type:
Surface
Development status:
Past Producer
Geology
References
MAS
191810115
DEP
10242758
Reference
IOWA GEOLOGICAL SURVEY, ANNUAL REPORT 1895, VOL. 5, P. 355.
Reporter
Igs / Dh