Irrigation  land leveling & Irrigation pumping plants  

 - Soil Conservation Service, United States Department of Agriculture  USA  1961 
 - 80p.  Fig. , Table  
 - Chapter  12 & 08 .
<br/><br/><label>Nat. Bib. No.: </label>4774 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering 
<br/><br/><label>Universal Decimal Class. No.: </label>626.81  / SCS