Mineral Resource Map
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North America
United States
Iowa
Audubon
Anderson Pit
Past Producer • Sand and Gravel, Construction
Brayton Pit
Past Producer • Sand and Gravel, Construction
Christenson Pit
Past Producer • Sand and Gravel, Construction
Brayton Plant
Unknown • Sand and Gravel, Construction
Fiscus Pit
Past Producer • Sand and Gravel, Construction