M A R C H 3 , 1 8 4 9 U . S . D E P A R T M E N T O F T H E IN T E R I O R Crushed Cement Concrete Substitution for Construction Aggregates— A Materials Flow Analysis By Thomas Kelly U.S. GEOLOGICAL SURVEY CIRCULAR 1177
Crushed Cement Concrete Substitution for Construction Aggregates— A Materials Flow Analysis
May 06, 2023
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