Leet, L. Don. <br/><br/>
Physical geology / 
L. Don Leet, Sheldon Judson, Marvin E. Kauffman. 
 - 6th ed. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  c1982. 
 - xvi, 487 p. :  ill. (some col.), maps, port. ;  29 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0136697623 (cased) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geology.