Keller,Edward A. <br/><br/>
Introduction to environmental geology 

 - 4th ed. 
 - Upper saddler River :  Pearson Prentice Hall,  2008. 
 - xviii,661p. :  ill. ;  26cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0-13-613521-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental geology
<br/><br/><label>LC Class. No.: </label>QE38.K46 2008