Watkins, Joel S., 1932-  Watkins, Joel S., 1932- <br/><br/>
Our geological environment / 
Joel S. Watkins, Michael L. Bottino, Marie Morisawa. 
 - Philadelphia :  Saunders,  1975. 
 - Saunders golden series in environmental studies .
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 501-507. 
<br/><br/><label>ISBN: </label>0721691331 
<br/><br/><label>LCCN: </label>74021018 //r90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental geology.
<br/><br/><label>LC Class. No.: </label>QE33  / .W37 
<br/><br/><label>Dewey Class. No.: </label>550