![](http://www.alamy.com/thumbs/6/1586017A-A077-4E79-A19E-2EC50A529202/H9WP1M.jpg)
grand canyon nps 6733317259 Grand Canyon National Park; Kolb Brothers Exhibit 3123
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Photo credit: © Nature and Science / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: adventure, attraction, colorado, exhibit, kolb, nps, photographer, pioneer, river, studio, whitewater