Charles E. Williams is an ecologist, regional historian, and writer whose work focuses on the landscapes of northern Pennsylvania. He is the author of Along the Allegheny River: Th...mehr sehenCharles E. Williams is an ecologist, regional historian, and writer whose work focuses on the landscapes of northern Pennsylvania. He is the author of Along the Allegheny River: The Northern Watershed, Along the Allegheny River: The Southern Watershed, and Along the Bucktail Highway.weniger sehen