America's National Parks :  A Photographic Encyclopedia of Our Magnificient Natural Wonderlands /  
Nelson Beecher Keyes.  
 - New York :   Garden City,   1957.  
 - 255 p. : 
<br/><br/> Includes index   Includes index  
<br/><br/><label>Subjects--Topical Terms: </label><br/>america's National Parks 
<br/><br/><label>LC Class. No.: </label>E160 .k43 1957