01218cam a22003011 4500 gs 31000079 DLC 20260227111335.0 780510s1930 xx 000 0 eng c gs 31000079 (OCoLC)3883608 U.S. Geological Survey OT OCoLC DLC premarc QE173 .A2 no. 32 Wentworth, Chester Keeler, 1891- Sand and gravel resources of the Coastal plain of Virginia; prepared in cooperation with the United States highway commission, by Chester K. Wentworth. Richmond, University, Virginia. Division of purchase and printing, 1930. xiv, 146 p. incl. illus., maps, tables, diagrs. 19 pl. (incl. maps) fold. map. 23 cm. Virginia Geological Survey. Bulletin 32 At head of title: Commonwealth of Virginia. State commission on conservation and development. Bibliography: p. 31-33. Sand. Gravel. Geology Virginia Coastal plain. Geological Survey (U.S.) Virginia. Highway Commission. Bulletin (Virginia Geological Survey) ; 32. 26860 26860