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  2. Construction Crusher Sand Gravel Issue Gravel Cone 10 05 20

Construction Crusher Sand Gravel Issue Gravel Cone 10 05 20

Sand and gravel are siliceous and calcareous products of the weathering of rocks and unconsolidated or poorly consolidated materials Such deposits are common throughout the country The sixdigit Source Classification Code SCC for construction sand and gravel processing is 305025 and the sixdigit SCC for industrial sand and gravel is 3

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