Pearl, Richard Maxwell,  1913- <br/><br/>
Geology / 
by Richard M. Pearl 
 - Lincoln, Nebraska :  Cliff's Notes,  1968 
 - 89 p. :  ill. ;  26 cm. 
 - Cliffs keynote reviews .
<br/><br/><label>ISBN: </label>0822017180 
<br/><br/><label>LCCN: </label>68-20688 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Examinations, questions, etc.