Emmons, William H. <br/><br/>
Geology   Principles and processes 

 - 2nd ed. 
 - New York  McGRAW- HILL Book Company, inc  1939 
 - xii, 451p.  Illustration  22cm x 14cm  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology<br/>Physical geology
<br/><br/><label>Dewey Class. No.: </label>550  / EMM