Longwell, C. R. <br/><br/>
Introduction to Physical Geology 

 - New York  John Wiley   1955 
 - x, 432p. 
<br/><br/> Hardcover 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology<br/>Physical Geology<br/>Earth Science<br/>Geologic Processes