Crushed stone, sand, gravel, and other construction aggregates account for half of the industrial minerals produced in the United States. These materials represent a $29 billion per year business in the country. The map above from our sponsor Burgex uses data from Mineralocity to show where aggregates are produced in America. What Are Aggregate Minerals? Aggregates are a variety of materials produced in pits or quarries, including sands, gravel, and crushed stone. They are[…]

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