Visitors standing at a wayside in Santa Helena Cayon in Big Bend National Park. Image Number Waso- 1469.
<ul><li>Keywords: wayside exhibit; visitor; plant; mountain; Mission 66(NPS History Collection Themes); Floral(NPS History Collection Themes); Tourism(NPS History Collection Themes); Education(NPS History Collection Themes)</li></ul>
Jack E. Boucher
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