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Stanton Repeat Photography

Mile 58.1, Awatubi Canyon, Downstream View from River Right (Stake 1568)

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Stake 1568, 20 January 1890 View Larger Image
20 January 1890
Stanton stood on an eolian sand dune when he took this image. Perennial grass and what appear to be short-lived shrubs are established in the dune in the foreground. Mesquite grows upon a dune at left and catclaw appear in the right foreground and on the slopes opposite the drainage. Numerous shrubs, notably Mormon tea, are on the colluvial slopes at center and right. Sand bars are visible on both sides of the river in the distance.
Photo credit: Robert B. Stanton, 57-RS-367, courtesy of The National Archives

Stake 1568, 5 February 1991 View Larger Image
5 February 1991
During the intervening century, the sand dunes have shifted, although many of the same mesquite and catclaw are still present. The grasses in the foreground are mostly desert needlegrass, along with Indian ricegrass and globemallow. The sand bars are mostly vegetated with native riparian species and non-native tamarisk.
Photo credit: Liz Hymans

Stake 1568, 19 September 2010 View Larger Image
19 September 2010
The shifting foreground sands make matching this image difficult, and the camera station is too far into the view and cuts off part of the right side of the 1890 image; the original and 1991 images were not cropped down to the same background view. The mesquite and catclaw appear to be similar, albeit leafed out, and the riparian vegetation appears to have increased. The increased perennial vegetation in the foreground is mostly Indian ricegrass and dicoria and indicates that the eolian deposit has stabilized. This probably results from the decreased supply of fluvial sediment deposited along the river corridor, which winds once entrained to form these dunes. 
Photo credit: Bill Lemke

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