00872cam a22002531 4500 gs 54000001 DLC 20260227111401.0 780216s1947 nbua 000 0 eng gs 54000001 (OCoLC)3644346 DLC OAU DLC premarc QE135 .A4 no. 15-A Condra, Geo. E. (George Evert), 1869-1958. Correlation of the Pleistocene deposits of Nebraska, by G. E. Condra, E. C. Reed, and E. D. Gordon. [Rev.] Lincoln, University of Nebraska Conservation and Survey Division, 1950. 74 p. illus., fold. plate, maps, tables. 25 cm. Nebraska Geological Survey Bulletin 15-A Bibliography: p. 70-72. Geology Nebraska. Geology, Stratigraphic Pleistocene. 28813 28813