Construction aggregate producers closed 2021 with shipments totaling 1.54 billion metric tons (mt) of crushed stone and 1 billion mt of sand & gravel, valued respectively at $19.6 billion and $10 billion, according to U.S. Geological Survey figures. The estimated 2.54 billion mt of construction aggregate volume represents a 5 percent year over year gain. Annual shipment values in USGS…
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