Geology :   the science of a changing earth /  
Ira Shimmin Allison...[et al.] 
 - 6th ed. / 
 - New York :  McGraw-Hill,  c 1974. 
 - viii, 498 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/>300  300 
<br/><br/><label>ISBN: </label>0-07-001118-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geology.
<br/><br/><label>Dewey Class. No.: </label>550 / A53g