Hockensmith, Roy D. <br/><br/>
Water and agriculture 

 - Washington :  Association for the Advancement of Science,  1960 
 - 198 p.  : ilus. 
<br/><br/><label>LCCN: </label>15846 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agua--Conservacion.<br/>Suelos--Conservación.
<br/><br/><label>Dewey Class. No.: </label>631.7  / H62