Jeffreys, Harold. <br/><br/>
The Earth :   its origin, history and physical constitution /  
Harold Jeffreys. 
 - 5th ed. 
 - Cambridge :   Cambridge University Press,   c 1970. 
 - x, 525 p. :  ill. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/>346  346 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth--Geology.
<br/><br/><label>Dewey Class. No.: </label>551.7 / G37f