Pearl, Richard M. <br/><br/>
Geology 
<label>/ by </label> Pearl, Richard M. 
 - Lincoln  Cliffs Notes Inc.  1968 
 - [vi], 89p.  ill.  25 cm. 
 - Cliffs keynote reviews  .
<br/><br/><label>ISBN: </label>0822017180 
<br/><br/><label>Dewey Class. No.: </label>550  / PEA