Keller, A. Edward. <br/><br/>
Introduction to environmental geology/ 
Edward A. keller. 
 - 3rd ed. 
 - New Jersey:  Pearson Prentice Hall,  2005. 
 - xvii,583 p. :  ill. ; 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0131447645 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology.
<br/><br/><label>LC Class. No.: </label>QE38.K46 2005