Koch, Paul, <br/><br/>
Water sources WSO  Principles and practices of water supply operations series. 
by Paul Koch. 
 - 4th ed. 
 - Denver, CO :  American Water Works Association,  c2010. 
 - xi, 192 p. :  ill., maps ;  26 cm. 
<br/><br/> Rev. ed. of: Water sources. 2003. 
<br/><br/><label>ISBN: </label>9781583217825 (alk. paper) 1583217827 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water-supply.<br/>Water quality.<br/>Water resources development.
<br/><br/><label>Dewey Class. No.: </label>628.1/1