Window on America :   discovering her natural beauty / 
Prepared by the Special Publications Division, National Geographic Society, Washington, D.C. 
 - Washington :  National Geographic Society,   1987. 
 - 200 p. :  col. ill. ;  26 cm. 
 - 91(7) (NLA) .
<br/><br/>Index p. 197-200. 
<br/><br/><label>ISBN: </label>087044588X (regular edition) 0870445936 (library edition) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural history--United States.--Pictorial works
<br/><br/><label>Universal Decimal Class. No.: </label>91(7) (NLA)