Keller, Edward A.. <br/><br/>
Environmental Geology /  
by Edward A.Keller. 
 - Third Edn. /  
 - Columbus :   Charles E.Merrill Publishing Company ,   1982 
 - xii,526p :  
<br/><br/><label>ISBN: </label>0-675-09915-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental geology
<br/><br/><label>Dewey Class. No.: </label>H(G:55)  / M2;1