Theobald, G. H <br/><br/>
Methods and machines for tile and other tube drainage / 
prepared by G. H. Theobald 
 - Rome :  FAO,  1963 
 - xiii, 104p. :  ill. ;  23cm. 
 - FAO agricultural development paper ;  no. 78 .
 - FAO agricultural development paper  no. 78 .
<br/><br/>Bibliography: p. 101-104 
<br/><br/><label>ISBN: </label> USD 3.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drainage<br/>Drain-tiles<br/>Irrigation<br/>Sewerage
<br/><br/><label>Dewey Class. No.: </label>630.82