Thornbury, William D. <br/><br/>
Principles of geomorphology 
<label>/ by </label> Thornbury, William D. 
 - New York  John Wiley  1954 
 - ix, 618p.  ill.  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Structural
<br/><br/><label>Dewey Class. No.: </label>551.4  / THO