The geological section of Nebraska Condra, Geo. E. (George Evert) 1869-1958 creator Reed, E. C. (Eugene Clifton) 1901- text bibliography nbu Lincoln University of Nebraska, Conservation and Survey Division 1959 monographic eng
print
vii, 82 p. illus., maps. 25 cm. by G. E. Condra and E. C. Reed. Current revisions, by E. C. Reed. Includes bibliographies. n-us-nb Geology Nebraska Geology, Stratigraphic QE135.A4 gs 68000016 //r882 U.S. Geol. Survey. Libr. 710913 20260227111421.0 gs 68000016