Keller, Edward A. <br/><br/>
Environment geology / 
Edward A. Keller. 
 - 2nd ed. 
 - London :   Charles E. Merrill Publishing,   c 1979.  
 - 548 p. :   ill. ;   26 cm.  
<br/><br/> Includes index. 
<br/><br/>311  311 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental geology.
<br/><br/><label>Dewey Class. No.: </label>550 / K281e