Pearl, Richard Maxell, 1913- <br/><br/>
Geology [an introduction to principles of physics and historical Geology :  With examinations and answers. 

 - 3d. rev. ed. 
 - New York :  Barnes and Nobles,  [1968,c1966] 
 - xxv, 262 p. illus. 21 cm. 
 - College outline series .
<br/><br/> Bibliography: p. 241-248 
<br/><br/><label>LC Class. No.: </label>551  / P316