This Thursday, July 10, 2014 photo provided by the Grand Teton National Park shows a bus that flipped on its side in Grand Teton National Park. Officials say about two dozen people were taken to a

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This Thursday, July 10, 2014 photo provided by the Grand Teton National Park shows a bus that flipped on its side in Grand Teton National Park. Officials say about two dozen people were taken to a hospital after a bus flipped on its side. Authorities say no other vehicles were involved. It wasn't clear who owned the bus or whether it was on a tour. (AP Photo/Michael Nash, Grand Teton National Park)

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Associated Press
Fri, Jul 11, 2014 10:59 PM EDT