Keller, Edward A.,  1942- <br/><br/>
Environmental geology / 
Edward A. Keller. 
 - 6th ed. 
 - New York :  Toronto :  New York :  Macmillan ;  Maxwell Macmillan Canada ;  Maxwell Macmillan International,  c1992. 
 - xv, 521 p. :  ill. (some col.) ;  29 cm. 
<br/><br/> Include 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>QE38  / .K45 1992 
<br/><br/><label>Dewey Class. No.: </label>304.2