SCS national engineering handbook  Irrigation   planning farm irrigation systems 

 - Washington  United states department of agriculture  1967 
 - [i],92p.  25cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Irrigation<br/>Special methods of cultivation<br/>Agriculture<br/>Cultivation and harvesting
<br/><br/><label>Dewey Class. No.: </label>631.587  / SCS