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Observations from the NASA-built Landsat satellites provide an overview of the dam's construction. The first image shows the region prior to start of the project. By 2000, construction along each riverbank was underway, but sediment-filled water still flowed through a narrow channel near the river's south bank. The 2004 images show limited development of the main wall and the partial filling of the reservoir, including numerous side canyons. By mid-2006, construction of the main wall was completed and a reservoir more than 2 miles (3 kilometers) across had filled just upstream of the dam.

Courtesy of NASA Goddard Space Flight Center