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Mine detail: Unknown
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North America
United States
Iowa
Johnson
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Location
Lat / long:
41.80361, -91.55405
Resource(N)
Primary:
Sand and Gravel, Construction
Production
Operation type:
Surface
Development status:
Past Producer
Geology
References
MAS
191030018
DEP
10217794
Reference
USGS 7.5 MINUTE ELY QUADRANGLE IOWA 1968, REV. 1975
Reporter
Igs / Ck