Sources: U.S. Geological Survey (USGS); Rock Products Magazine; CP staff
Construction aggregates production in 2014 reached an estimated 2.17 billion metric tons, valued at $19.8 billion and besting the prior year volume by more than 7 percent, according to the USGS Mineral Commodity Summaries 2015 report.
Sources: American Concrete Institute, Farmington Hills, Mich.; CP staff
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