Thybony, Scott. <br/><br/>
The Rockies  pillars of a continent 
Scott Thybony ; photographed by Paul Chesley. 
 - Washington, D.C.  National Geographic Society  1995. 
 - 200 p.  col. ill. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0792229401  donacion 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocky Mountains--Description and travel.