Held, R. Burnell <br/><br/>
Soil conservation in perspective/ 
R. Burnell Held and Marion Clawson 
 - Baltimore:  John Hopkins Press,  c1965 
 - 344 p.;  21 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> $ 7.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation--United states<br/>Soils--United states<br/>Land use--United States
<br/><br/><label>Dewey Class. No.: </label>631.4973