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Stanton Repeat Photography

Mile 23.3, Indian Dick Rapid, Downstream View from River Left (Stake 1702b)

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Stake 1702b, s1702b-1890 View Larger Image
While the Brown-Stanton expedition was lining the rapid at Mile 23.3, Stanton had ample time to make photographs of both the upstream and downstream views. The dominant plant in the left foreground and midground is Apache plume, which at that time defined the old high-water line. Four debris fans are visible in the image.
Photo credit: Robert B. Stanton, 57-RS-302/309, courtesy of The National Archives

Stake 1702b, 2 January 1992 View Larger Image
2 January 1992
Some of the Apache plume are persistent, and new ones appear downslope as the old-high water line has deteriorated with flow regulation by Glen Canyon Dam. Longleaf brickellbush, a native shrub, and tamarisk, a non-native tree, is now present along the river (lower right corner of image). The debris fans appear to be unchanged, although there is new rockfall in the center of the image. The higher water level partially obscures the small beach at the center of the view, but it appears to have eroded by less than a meter and a new sand deposit lies above it.
Photo credit: Robert H. Webb

Stake 1702b, 16 September 2010 View Larger Image
16 September 2010
Some of the Apache plume that were present in 1890 still persist, and many of the plants present in 1992 are still readily identifiable. Tamarisk has increased in both number and stature, and is now growing on the small beaches. Sand bars are more prominent in the view, in part because the water level is slightly lower, and the once prominent rockfall is less apparent because vegetation has colonized its surface.
Photo credit: Steve Tharnstrom

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