Geology :  Principles and Processes / 
W.H. Emmons et al. 
 - Fifth Edition 
 - New York :  McGraw-Hill Book Company, Inc.,  1960. 
 - 491 p. :  fig. 
<br/><br/>Includes Index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology