Harris, Ann G. <br/><br/>
Geology of national parks / 
Ann G. Harris, Esther Tuttle, Sherwood D. Tuttle. 
 - 5th ed. 
 - Dubuque, Iowa :  Kendall/Hunt Pub. Co.,  c1997. 
 - xvi, 758 p. :  ill., maps ;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>078721065X 
<br/><br/><label>LCCN: </label>96076342 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--United States.<br/>National parks and reserves--United States.
<br/><br/><label>LC Class. No.: </label>QE77  / .H36 1997 
<br/><br/><label>Dewey Class. No.: </label>557.3