Keller, Edward A., <br/><br/>
Environmental geology / 
Edward A. Keller. 
 - 6th ed. 
 - New York :  Maxwell Macmillan International,  c1992. 
 - xv, 521 pages :  illustrations (some col.) ; 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0023632704 
<br/><br/><label>LCCN: </label>91024084  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental geology.
<br/><br/><label>LC Class. No.: </label>QE 38  / .K45 1992 
<br/><br/><label>Dewey Class. No.: </label>304.2