Van Dersal, William Richard,  1907- <br/><br/>
The land renewed;  the story of soil conservation, 
by William R. Van Dersal and Edward H. Graham. 
 - New York,  Oxford university press,  1946. 
 - 109 p.  illus.  24 cm. 
<br/><br/><label>LCCN: </label>agr46000005  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation--United States.<br/>Erosion.<br/>Soil erosion--United States.
<br/><br/><label>LC Class. No.: </label>S623  / .V3