Condra, Geo. E.  1869-1958. <br/><br/>
Geological phases of soil erosion investigation and control in Nebraska, 
by G. E. Condra. 1934. 
 - [Lincoln]  Printed by authority of the state of Nebraska,  1934. 
 - 22 p.  illus. 
<br/><br/> Cover title. 
<br/><br/><label>LCCN: </label>gs 35000087  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Nebraska.<br/>Erosion.
<br/><br/><label>LC Class. No.: </label>QE135  / .A43 no. 6