Topic - Grand Teton National Park

Grand Teton National Park is a national park of the United States in northwestern Wyoming. At approximately Greater Yellowstone Ecosystem, one of the world's largest intact mid-latitude temperate ecosystems. - Source: Wikipedia

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This photo provided by the National Park Service shows a sign marking the north entrance of Yellowstone National Park on May 7, 2018. (Jacob W. Frank/National Park Service via AP) **FILE**

Brain-eating amoeba found in Yellowstone, Grand Teton and Lake Mead waters

By Juliet La Sala - The Washington Times