This Sept. 3, 2015, photo provided by the Yellowstone National Park Service, shows the West Thumb area of Yellowstone Lake in Mammoth Hot Springs, Wyo. A 23-year-old kayak guide, Timothy Hayden Ryan Conant of Salt Lake City, died while trying to rescue a client who capsized in the West Thumb area of Yellowstone Lake Wednesday, June 14, 2017. (Jim Peaco/Yellowstone National Park Service via AP)
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