Keller, Edward A  . <br/><br/>
Environmental geology /  
by Edward A Keller. 
 - 8th ed /  
 - New Jersey :   Prentice Hall, inc. ,   1996 
 - 562p :  
<br/><br/><label>ISBN: </label>0-13-022466-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental geology
<br/><br/><label>Dewey Class. No.: </label>H(G:55)  / N6