Todd, David Keith. <br/><br/>
Groundwater hydrology / 
David Keith Todd, Larry W. Mays. 
 - 3rd ed. 
 - Hoboken :  Wiley,  2005. 
 - xvii, 636 p. :  ill., maps ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0471059374 (hbk. ) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrology<br/>Groundwater.