Condra, Geo. E.  1869-1958. <br/><br/>
Correlation of the Pennsylvanian beds in the Platte and Jones point sections of Nebraska, 
by G. E. Condra. 
 - [Lincoln]  Printed by the authority of the state of Nebraska,  1930. 
 - 57 p.  illus., tables, diagrs.  25 cm. 
 - Nebraska. Geological Survey. Bulletin 3, second ser. .
<br/><br/> At head of title: The University of Nebraska. 
<br/><br/><label>LCCN: </label>gs 31000226  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Nebraska.<br/>Geology, Stratigraphic--Carboniferous.
<br/><br/><label>LC Class. No.: </label>QE135  / .A4 no. 3