July 17-28 -- Cataract Canyon, For twelve days the crew battles ... August 27 -- Separation Rapid, George Bradley describes the 96th day as "the darkest day of the trip." The crew has come ...
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Colorado Plateau's dramatic canyons: How rivers' ancient pauses and rapid cuts shaped themDramatic gorges such as these are created ... the shape and iconic chasm of the Grand Canyon and its tributaries. However, this particular period of rapid erosion represents only about a quarter ...
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