YELLOWSTONE NATIONAL PARK, Wyo. (AP) — The popular Mount Washburn trails from Dunraven Pass and Chittenden Road in Yellowstone National Park will be closed for the rest of the summer season because of construction work.

JACKSON, Wyo. (AP) — A preliminary investigation by the National Transportation Safety Board has not found any obvious cause for the fatal glider crash that killed two people earlier this month in Grand Teton National Park.

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