Harvey, Nigel. <br/><br/>
Ditches dykes and deep-drainage 

 - London :  Evans,  1956 
 - 47 p.  : ilus. 
 - Young farmers' club booklett  ; 29 .
 - Young farmers' club booklett  ; 29 .
<br/><br/><label>LCCN: </label>12099 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drenaje.<br/>Irrigación.
<br/><br/><label>Dewey Class. No.: </label>630.82  / Y68 v.29