The small tract of forest – part of the 1,526-acre Sweet Root Natural Area in Buchanan State Forest near Chaneysville – is the 19th Pennsylvania ... oak and oak-hard pine stands.

becomes the 37th site in Pennsylvania to join the Old-Growth Forest Network. This 368-acre park, located on the west rim of Pine Creek Gorge, also known as the Pennsylvania Grand Canyon ...

While forests ... of pine trees has changed more than any others, increasing drastically in some spots and decreasing sharply in other places. The team relied on a database at maps and notes ...