Vallentine, H. R. <br/><br/>
Water in the service of man / 
H.R. Vallentine. 
 - Baltimore :  Penguin Books,  1967. 
 - 223 p. : 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>299 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water-supply engineering.
<br/><br/><label>Dewey Class. No.: </label>553.7  / Wa