Keefer, William Richard 1924- creator Troyer, M. L. (Max Lorain) 1916- text bibliography dcu Washington, [D.C.] U.S. G.P.O. 1964 monographic eng

print

v, 123 p. : ill., maps (1 col.) ; 24 cm. by W.R. Keefer and M.L. Troyer. 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." Includes index. Bibliography: p. 118-120. Geology Wyoming Fremont County QE75 .B9 no. 1157 gs 64000223 DLC 780805 20260227111414.0 gs 64000223