01291cam a22002891 4500 gs 15000744 DLC 20260227111318.0 880226s1915 nbua 000 0 eng c gs 15000744 U.S. Geol. Survey Libr./ICU ICU DLC n-us-nb Q11 .N3 vol. 9, no. 2 557.82 506.2782 Condra, Geo. E. (George Evert), 1869-1958. The Pennsylvanian formations of southeastern Nebraska, by Geo. E. Condra and N.A. Bengtson ... a summary report of papers given before the Nebraska academy of sciences ... [Lincoln?] 1915. 60 p. incl. illus. 2 fold. profiles. 22 cm. Nebraska academy of sciences. Publications. Vol. IX, no. 2 At head of title: Nebraska physical and social science series. Forms Bulletin no. [2] of the Nebraska conservation and soil survey of the University of Nebraska. Geology Nebraska. Bengtson, N. A. (Nels August), 1879- joint author. Publications (Nebraska Academy of Sciences) ; v. 9, no. 2. Nebraska physical and social science series. Bulletin (Nebraska. Conservation and Soil Survey) ; no. 2. 25577 25577