Watt, S. B. <br/><br/>
Hand dug wells and their construction / 
S. B. Watt and E. W. Wood. 
 - London :  Intermediate Technology Publications,  1979. 
 - 234 p. :  ill. ;  21 cm. 
<br/><br/>Includes bibliography. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0903031272 
<br/><br/><label>LCCN: </label>77371828  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wells--Handbooks, manuals,, etc.