Watt, S.B. and Wood, W.E. <br/><br/>
Hand dug wells and their construction 

 - London  ; Intermediate Technology Publications  , 1979 
 - 253p. 
<br/><br/><label>ISBN: </label> £1.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil Engineering<br/>Construction<br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>624  / WAT