USGS: Fourth-quarter aggregate production up 7 percent

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USGS: Fourth-quarter aggregate production up 7 percent

The U.S. Geological Survey (USGS), which collects production data through quarterly surveys, offers details about recent crushed stone, sand and gravel outputs.
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Uni researchers win $2.9M grant to turn CO2 emissions into concrete

A UCLA (The University of California, Los Angeles) research team has received a two-year, $2
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