Fact Sheet Series
Crushed and Broken Limestone (SIC Code 1422) Crushed and Broken Granite (SIC Code 1423) Crushed and Broken Stone (SIC Code 1429) Construction Sand and Gravel (SIC Code 1442) Industrial Sand and Gravel (SIC Code 1446) Kaolin and Ball Clay (SIC Code 1455) Clay, Ceramic, and Refractory Minerals (SIC Code 1459)
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