01028cam a22003011a 4500 gs 55000247 DLC 20260227111403.0 780805s1954 dcuab b f001 0 eng gs 55000247 (OCoLC)4112668 DLC OClU DNAL DLC premarc QE75 .B9 no. 1008 407 G29B no.1008 X400 P100 Espenshade, Gilbert H. (Gilbert Howry), 1912- Geology and mineral deposits of the James River-Roanoke River manganese district, Virginia / by Gilbert H. Espenshade. Washington, [D.C.] : U.S. G.P.O., 1954. vii, 155 p. : ill., maps ; 24 cm. + 12 folded leaves in case. Geological Survey bulletin ; 1008 Bibliography: p. 148-152. Includes index. Geology Virginia. Petrology Virginia. Manganese ores Virginia. Mines and mineral resources Virginia. 28977 28977