Condra, Geo. E.  1869-1958. <br/><br/>
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 .
 - Publications (Nebraska Academy of Sciences) ;  v. 9, no. 2. Nebraska physical and social science series. Bulletin (Nebraska. Conservation and Soil Survey) ;  no. 2. .
<br/><br/> 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. 
<br/><br/><label>LCCN: </label>gs 15000744  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Nebraska.
<br/><br/><label>LC Class. No.: </label>Q11  / .N3 vol. 9, no. 2 
<br/><br/><label>Dewey Class. No.: </label>557.82  506.2782