Water  :The yearbook of agriculture 

 - United States Department of Agriculture  United States  1955 
 - 751p.  fig., ill. 
<br/><br/><label>Nat. Bib. No.: </label>3908 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Universal Decimal Class. No.: </label>631.6  / YEA