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| View looking south at Rainbow Bridge and Navajo Mountain in the distance. Rainbow Bridge is a large natural bridge that formed by weathering and erosion of the Navajo Sandstone. It is considered one of the largest natural bridge in the known world (although being neither the longest or the tallest) (Brandt-Erichsen. and Wilbur, 2008). Navajo Mountain, in the distance, is a large upheaval formed by Oligocene-age igneous intrusions in early Mesozoic-age sedimentary formation of the Colorado Plateau region in northern Arizona (Chidsey and others, 2000). |
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