The Great Appalachian Valley, also called The Great Valley or Great Valley Region, is one of the major landform features of eastern North America. It is a gigantic trough, including a chain of valley
Blue Mountain in the Lehigh Valley region of eastern Pennsylvania
Bald Eagle State Forest in Union County, Pennsylvania
Appalachia is a geographic region located in the Appalachian Mountains in the east of North America. In the north, its boundaries stretch from Mount Carleton Provincial Park in New Brunswick, Canada,
Great Appalachian Valley
…empties into the Saint Lawrence to the northeast of Montreal.) The Great Valley, especially the southern-middle portion, is within the region known as Appalachia. Martinsburg Formation…