Joe Giersch

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FILE--This undated file photo provided by the U.S. Geological Survey shows a side view of a recently emerged adult female western glacier stonefly from below Grinnell Glacier in Glacier National Park, Mont. The U.S. Fish and Wildlife Service on Monday, Oct. 3, 2016, proposed adding the western glacier stonefly and the meltwater lednian stonefly to the government's list of threatened species.(Joe Giersch/U.S. Geological Survey via AP, File)