Understanding earth. <br/><br/>
Understanding earth / 
Understanding earth. 
 - 4th ed. 
 - New York :  W.H. Freeman ;  c2004. 
 - 567p. ;  Illustrations ;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0716796171 9780716796176 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences.
<br/><br/><label>Dewey Class. No.: </label>550