United State Department of Agriculture <br/><br/>
Drainage of agricultural land : A practical handbook for the planning design, construction and maintenance of agricultural drain 

 - Washington  Water International Centre Inc  1973 
 - 430p 
<br/><br/>United State Department of Agriculture: Drainage of agricultural land : A practical handbook for the planning design, construction and maintenance of agricultural drainage systems.  Washington.  Water International Centre Inc, 1973. 0-912394-06-4--(631.62 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-912394-06-4 
<br/><br/><label>Dewey Class. No.: </label>631.62  / USDA