Soils and security. 
United States Department of agriculture, Soil conservation service. 
 - [Washington,  U.S. Govt. print. off.,  1941] 
 - 1 p. l., 25 p.  illus.  23 cm. 
<br/><br/> "By H. H. Bennett, chief, Soil conservation service."--p. 1. 
<br/><br/><label>LCCN: </label>agr41000127  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation--United States.<br/>Erosion.
<br/><br/><label>LC Class. No.: </label>S623  / .U5 1941d 
<br/><br/><label>Dewey Class. No.: </label>631.450973