ions in this region were once much more favorable for water erosion than at the present time, For the formation far from the main lines of travel and in a region almost and twenty-five miles from Yellow Jacket Cafion, Colo- of such structures as we find here it is essential that inaccessible, are… … upon its floor. Its structure is, however, radically Colorado, the nearest outfitting point for travelers vis- cannot be classed with them. tively free from alternating layers of sandstone or These three bridges are situated in the White Cafion, iting the region. Bluff, Utah, a small Mormon settle-…
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