Longwell, Chester L. <br/><br/>
Introduction to physical geology 
Chester R. Longwell and Richard F. Flint 
 - 2nd ed. 
 - New York  Macmillan  1962 
 - 504 p. : ill. ; 25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>LCCN: </label>62-8779 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geology