Thornbury, William David. <br/><br/>
Principles of geomorphology / 
by W. D. Thornbury. 
 - London :  Wiley,  c1954 [Printing 1964]. 
 - ix, 618 p :  ill. ;  23 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Structural.
<br/><br/><label>Dewey Class. No.: </label>551.4  / THP 1964