UNITED STATES DEPARTMENT OF AGRICULTURE <br/><br/>
Manual on Conservartion of Soil and Water 

 -  1964  Oxford & IBH Publishing Co. 
 - 1-208  0  Paper 
<br/><br/> Hard Binding 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil & Water Conservation
<br/><br/><label>Dewey Class. No.: </label>DT1:4    K4