USDI <br/><br/>
Earth Manual 

 -  1965  Oxford & IBH Publs. 
 - 1-783  0  Paper 
<br/><br/> Hard Binding 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil & Water Conservation
<br/><br/><label>Dewey Class. No.: </label>DT1     K5;2