Earth :  An introduction to physical geology / 
Edward J. Tarbuck...[at al.]. 
 - 6th ed. 
 - Toronto:  Prentice Hall,  1999. 
 - xvii, 638 p. :  ill. ; 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0139741224 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth
<br/><br/><label>LC Class. No.: </label>QE28.2  .T37  1999