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The Tionesta Scenic and Research Natural Areas are adjacent protected areas in the Allegheny National Forest of northwestern Pennsylvania. They cover a combined of the Allegheny Plateau and contain some of old-growth forest representative of the area. They are located in Wetmore Township, McKean County, Pennsylvania, near Kane. ==History== The areas are a remnant of the original forest that once covered on the Allegheny Plateau of New York and Pennsylvania. The old growth forest consists of 300- to 400-year-old American beech, Eastern hemlock and some sugar maple. Other tree species are yellow birch, sweet birch, black cherry, red maple, American basswood, tulip poplar, and cucumber magnolia. It is the type of forest that greeted early settlers and later supported a vast lumber industry. The tract of old growth was purchased by the federal government in 1936. The Scenic Area was dedicated for aesthetic purposes and the remaining area was set aside as a Research Natural Area for scientific studies. In 1973, both areas were added to the National Registry of National Natural Landmarks Program in recognition of their unique status. During early evening hours of May 31, 1985, a devastating tornado moved through the northern half of Tionesta Scenic Area. Its destructive wake can still be seen, a reminder of natural powers well beyond human control. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tionesta Scenic and Research Natural Areas」の詳細全文を読む スポンサード リンク
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