Keller Edward A <br/><br/>
Environmental geology 

 - 3rd 
 - Chio  Charels E Merrill          1982 
 - xii,526p. Appendix p. 493-510,Glossary p. 511-24  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography- Environment
<br/><br/><label>Dewey Class. No.: </label>U:(G:55), M2