Thornbury, William D. . <br/><br/>
Priciples of Geomorphology /  Textual Documents 
William D. Thornbury. 
 - New York :  John Wiley & Sons ,  1948. 
 - 618p. :  Thoroghly illustrated ;  23 cm. . 
<br/><br/><label>Subjects--Index Terms: </label>T/G-Earth Science 
<br/><br/><label>Dewey Class. No.: </label>551.3  / T 393 P