Thornbury, William D. <br/><br/>
Principles of Geomorphology / 
William D. Thornbury. 
 - Wiley international ed. 
 - New York :  John willy and sons,  1954. 
 - ix, 618 p. :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>337  337 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geomorphology.
<br/><br/><label>Dewey Class. No.: </label>551.4 / T393p