NPS Photo B. Torrey
The National Parks of Western Pennsylvania will celebrate the 106th birthday of the National Park Service with a special event.
Reforesting a former coal mine.
Investigate the work being done to restore the American Chestnut Tree and the plantings taking place at Flight 93 National Memorial.
The eastern hemlock trees are a symbolic design feature at the Memorial, and were witness to the events that happened here on September 11,
Last updated: July 29, 2023
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