Smedema,L. K. <br/><br/>
Land Drainage:  planning and design of agricultural drainage systems/  print resources. 
by lambert K. Smedema and David W. Rycroft. 
 - London:  BT Batsford Ltd.  c1983 
 - 376p.:  ill.;  23 cm 
<br/><br/>Includes index and references 
<br/><br/><label>ISBN: </label>0713460458 
<br/><br/><label>Source: </label>B-14943 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Land Drainage
<br/><br/><label>LC Class. No.: </label>S621  / .S63