Gildersleeve, Benjamin 1907- creator text bibliography vau University, Va 1942 monographic eng

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xi, 43 p. illus. (incl. map) 6 pl. on 3 l. 23 cm. by Benjamin Gildersleeve. At head of title: Commonwealth of Virginia. Virginia conservation commission. Virginia Geological survey. Arthur Bevan, state geologist. Issued also as thesis (Ph. D.) Johns Hopkins university. Bibliographical foot-notes. Geology, Stratigraphic Eocene Geology Virginia QE173 .A2 no. 57 551.781 gs 43000055 U.S. Geol. survey. Library 770804 20260227111349.0 gs 43000055