The evolving earth :  a text in physical geology / 
by Frederick J. Sawkins ... [et al.] 
 - New York :  MacMillan,  1974 
 - xvi, 477 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0024065005 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geology<br/>Plate tectonics