Levin, Harold L.,  1929- <br/><br/>
Contemporary physical geology / 
Harold L. Levin 
 - Philadelphia :  Saunders College Publishing,  1981 
 - 579 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0030578035 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth<br/>Geology