Soil conservation is easy if you do it with a plan;  one step at a time. 

 - [Slightly rev. 
 - Washington,  1967] 
 - 8 p.  illus.  24 cm. 
 - [United States. Dept. of Agriculture] PA-  501 .
 - [United States.  Department of Agriculture]  PA-  501. .
 - Program aid (United States. Department of Agriculture) ;  no. 501. .
<br/><br/> Previous ed. by Kent Arthur Alverson. 
<br/><br/><label>LCCN: </label>agr68000011  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation.<br/>Soil conservation.
<br/><br/><label>LC Class. No.: </label>S21  / .A856 no. 501 
<br/><br/><label>National Agricultural Library Call No.: </label>1 Ag84Pro no. 501 1967