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Mine detail: Unknown
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North America
United States
Iowa
Madison
Previously called ''
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Location
Lat / long:
41.46221, -94.11603
Resource(N)
Primary:
Stone, Crushed/Broken
Production
Operation type:
Surface
Development status:
Past Producer
Geology
References
MAS
191210026
DEP
10169624
Reference
IOWA GEOL SURVEY 1906 ANNUAL REPORT VOL 17, P 498
Reporter
Igs / Dh