Keller, Edward A.. <br/><br/>
Environmental geology /  
by Edward A.Keller. 
 - Second Edn. /  
 - Columbus :   Charles E.Merril Publishing Company. 
 - xii,548p ;  
<br/><br/><label>ISBN: </label>0-675-8296-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth Science
<br/><br/><label>Dewey Class. No.: </label>H(G:55)  / L9