Spencer, Edgar W. <br/><br/>
Introduction to the structure of the earth / 
Edgar W. Spencer. 
 - 2nd ed. 
 - New York   McGraw-Hill Book Company  c1977. 
 - x, 640 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/>
<br/><br/><label>ISBN: </label>0070601976  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Structural.
<br/><br/><label>Dewey Class. No.: </label>Cir 551.8 Sp3 1977