Watt, S. B. <br/><br/>
Hand dug wells and their construction / 
S.B. Watt. 
 - London  :  Intermediate Technology publications ,  1977. 
 - 253 p. :  ill. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wells
<br/><br/><label>Dewey Class. No.: </label>628.11 WAT