SAND AND GRAVEL (INDUSTRIAL)1
SAND AND GRAVEL (INDUSTRIAL)1 ... silica sand, and silica gravel, which accounted for 12%, combined. Other minor uses were, in decreasing quantity of ... Price, average value, dollars per ton 52.10 56.10 46.10 30.70 33.00 Employment, quarry and mill, numbere 4,000 4,000 3,500 2,000 2,500
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