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This photo provided by Chance and Carly Johnson shows the top of Mooney Fall at Grand Canyon National Park in Arizona on Thursday, Aug. 22, 2024. (Chance and Carly Johnson via AP)
U.S. Army soldiers of the Arizona National Guard guide tourists trapped by flash flooding into a UH-60 Blackhawk, Saturday, Aug. 24, 2024, on the Havasupai Reservation in Supai, Ariz. (Maj. Erin Hannigan/U.S. Army via AP)
This photo provided by Tamara Morales, shows Chenoa Nickerson of Gilbert, Ariz, , who went missing at Grand Canyon National Park after she was swept into a creek during a flash flood, the woman's sister said on social media Saturday, Aug. 24, 2024. (Tamara Morales via AP)