Koch, Paul <br/><br/>
Water sources / 
Paul Koch 
 - 4th ed. 
 - Denver, CO :  American Water Works Association,  2010 
 - xi, 192 p. :  ill., maps ;  26 cm. 
 - Principles and practices of water supply operations series .
 - Principles and practices of water supply operations series .
<br/><br/> Rev. ed. of: Water sources. 2003 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781583217825 (hbk.) 1583217827 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water-supply<br/>Water quality<br/>Water resources development