01179cam a22003011a 4500 gs 64000223 DLC 20260227111414.0 780805s1964 dcuab b f001 0 eng gs 64000223 (OCoLC)4112621 DLC OClU DNAL DLC premarc QE75 .B9 no. 1157 407 G29B no.1157 X400 Keefer, William Richard, 1924- Geology of the Shotgun Butte area, Fremont County, Wyoming / by W.R. Keefer and M.L. Troyer. Washington, [D.C.] : U.S. G.P.O., 1964. v, 123 p. : ill., maps (1 col.) ; 24 cm. Geological Survey bulletin ; 1157 Three folded plates in pocket. "Prepared in cooperation with the Geological Survey of Wyoming and the Department of Geology of the University of Wyoming as part pf the program of the Department of the Interior for development of the Missouri River basin." Bibliography: p. 118-120. Includes index. Geology Wyoming Fremont County. Troyer, M. L. (Max Lorain), 1916- 29846 29846