US Army Corps of Engineers
South Pacific Division Website

191030-A-PZ119-1093
Sacramento District's Darrin Rummel, Corrie Stetzel and Lori Schultz look over a 3D model of Zion and its many canyons in order to get a sense of how the tributaries feed into the Virgin River.

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Photo by: Courtesy photo |  VIRIN: 191030-A-PZ119-1093.JPG