FILE - This undated file photo provided by the U.S. Forest Service shows a bull trout in the Little Lost River in Idaho. On Wednesday, Sept. 21, 2016, an environmental group filed a lawsuit contending two federal agencies are violating the Endangered Species Act by failing to analyze how roads and motorized trails could be harming threatened bull trout in the Payette National Forest in west-central Idaho. (Bart Gamett/U.S. Forest Service via AP,File)
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