Keller, Edward A. , <br/><br/>
Environmental geology / 
Edward A Keller. 
 - 8th ed. 
<br/><br/><label>ISBN: </label>0130224669 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental geology.
<br/><br/><label>LC Class. No.: </label>QE38   / .K44 2000