Marcellus Shale

Western Pennsylvania 5 (83)

Appalachian Studies, Economic Geography, Regional Geography, United States History / , , , , , , , , , ,

Western Pennsylvania is a distinct geographic and cultural region comprising the 23 to 33 counties (depending on the definition) located west of the Appalachian Divide. Historically the industrial heart of the United States, the region is characterized by its rugged plateau topography, three major river systems, and a complex transition from a “Steel City” legacy […]

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Monongahela River 5 (47)

Hydrology, Industrial History, Infrastructure Engineering, River, Rivers, Rivers and Waterways of Pennsylvania, Rivers of the United States, U.S. Rivers, Western Pennsylvania, Western Pennsylvania Geography / , , , , , , , , , , ,

The Monongahela River (locally known as “the Mon”) is a 128-mile-long (206 km) river in the eastern United States. It flows from its source in north-central West Virginia northward into Western Pennsylvania, where it meets the Allegheny River at Pittsburgh’s Point State Park to form the Ohio River. 🗺️ Historically dubbed the “Ruhr of America,”

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