Mineral Resource Map
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North America
United States
Michigan
Alcona
State Pit # 132
Producer • Sand and Gravel, Construction
State Pit #232
Producer • Sand and Gravel, Construction
Unnamed Clay Pit
Past Producer • Clay
Greenbush Pit &Mill
Past Producer • Sand and Gravel, Construction
Slater No 1 Pit and Mill
Past Producer • Sand and Gravel, Construction
State Pit # 414
Producer • Sand and Gravel, Construction