Clark, John W. <br/><br/>
Water supply and pollution control / 
John W. Clark 
 - 3rd ed. 
 - New York :  Harper & Row Publishers,  1977 
<br/><br/>Includes references & indexes. 
<br/><br/><label>ISBN: </label>0700224955 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water supply
<br/><br/><label>Dewey Class. No.: </label>628.1  / CLA