01007cam a22002771 4500 gs 43000055 DLC 20260227111349.0 770804s1942 vauabf b s001 0 eng c gs 43000055 (OCoLC)3159894 U.S. Geol. survey. Library LNU DLC premarc QE173 .A2 no. 57 551.781 Gildersleeve, Benjamin, 1907- Eocene of Virginia, by Benjamin Gildersleeve. University, Va., 1942. xi, 43 p. illus. (incl. map) 6 pl. on 3 l. 23 cm. Virginia. Geological survey. Bulletin 57 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. 27898 27898