01262cam a22002771  4500001001300000003000400013005001700017008004100034010001700075040004200092043001200134050002700146082002100173100004900194245017700243260002200420300005000442490006400492500006700556500010300623650002300726700005800749830006400807830004900871830006400920gs 15000744 DLC20260227111318.0880226s1915    nbua          000 0 eng c  ags 15000744   aU.S. Geol. Survey Libr./ICUcICUdDLC  an-us-nb00aQ11b.N3 vol. 9, no. 200a557.82a506.27821 aCondra, Geo. E.q(George Evert),d1869-1958.14aThe Pennsylvanian formations of southeastern Nebraska,cby Geo. E. Condra and N.A. Bengtson ... a summary report of papers given before the Nebraska academy of sciences ...  a[Lincoln?]c1915.  a60 p. incl. illus.b2 fold. profiles.c22 cm.1 aNebraska academy of sciences. Publications.vVol. IX, no. 2  aAt head of title: Nebraska physical and social science series.  aForms Bulletin no. [2] of the Nebraska conservation and soil survey of the University of Nebraska. 0aGeologyzNebraska.1 aBengtson, N. A.q(Nels August),d1879-ejoint author. 0aPublications (Nebraska Academy of Sciences) ;vv. 9, no. 2. 0aNebraska physical and social science series. 0aBulletin (Nebraska. Conservation and Soil Survey) ;vno. 2.