Udall, Stewart L. <br/><br/>
America's natural treasures :  national nature monuments and seashores / 
[by] Stewart L. Udall. 
 - Waukesha, Wis. :  Country Beautiful; dist. Rand McNally,  1971. 
 - 226 p. :  ill. 
<br/><br/><label>ISBN: </label>0872940292 
<br/><br/><label>LCCN: </label>73161502 
<br/><br/><label>Subjects--Topical Terms: </label><br/>National parks and reserves--United States.
<br/><br/><label>Dewey Class. No.: </label>917.3