Sand and Gravel, Construction USGS
SAND AND GRAVEL, CONSTRUCTION—2006 SAND AND GRAVEL, CONSTRUCTION ... but no sand and gravel mining. In 2006, of the 6,294 active operations surveyed, 3,252, or %, responded to the USGS ... sand and gravel operations in Illinois, where Material Service was the third ranked producer in 2005 (Rock Products, 2006a). ...