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  2. Mahoning Valley (geographic) - Wikipedia

    en.wikipedia.org/wiki/Mahoning_Valley_(geographic)

    Downstream of Youngstown, Ohio through Struthers and Lowellville in Ohio and Edinburg in Pennsylvania, the river runs through a significant valley. In contrast and notwithstanding some shallow reservoirs and short waterfalls, the river upstream of there flowing through Newton Falls and Warren encounters less relief in the ground and the terrain is largely flat right up to the riverbank.

  3. Allegheny River - Wikipedia

    en.wikipedia.org/wiki/Allegheny_River

    The Allegheny River (/ ˌ æ l ɪ ˈ ɡ eɪ n i / AL-ig-AY-nee) is a 325-mile-long (523 km) tributary of the Ohio River that is located in western Pennsylvania and New York in the United States.

  4. Ohio River - Wikipedia

    en.wikipedia.org/wiki/Ohio_River

    The Ohio River at Cairo is 281,500 cu ft/s (7,960 m 3 /s); [1] and the Mississippi River at Thebes, Illinois, which is upstream of the confluence, is 208,200 cu ft/s (5,897 m 3 /s). [66] The Ohio River flow is greater than that of the Mississippi River, so hydrologically the Ohio River is the main stream of the river system.

  5. Mahoning Valley - Wikipedia

    en.wikipedia.org/wiki/Mahoning_Valley

    The Youngstown–Warren, OH Metropolitan Statistical Area, typically known as the Mahoning Valley, is a metropolitan area in Northeast Ohio with Youngstown, Ohio, at its center. According to the U.S. Census Bureau , the metropolitan statistical area (MSA) includes Mahoning and Trumbull counties. [ 4 ]

  6. Mahoning River - Wikipedia

    en.wikipedia.org/wiki/Mahoning_River

    Flowing primarily through several Ohio counties, it crosses the state line into Pennsylvania before joining with the Shenango River to form the Beaver River. The Mahoning River drops from 1,296 feet (395 m) [1] at the headwaters near Winona to 761 feet (232 m) [1] at the outfall near Mahoningtown, Pennsylvania. It is part of the Ohio River ...

  7. Unglaciated Allegheny Plateau - Wikipedia

    en.wikipedia.org/wiki/Unglaciated_Allegheny_Plateau

    The Ohio River roughly bisects the Unglaciated Allegheny Plateau in generally a north-northeast to south-southwest direction. Other significant rivers in the plateau include the Muskingum River and Tuscarawas River in Ohio, the Youghiogheny River and Allegheny River in Pennsylvania, and the Monongahela River and Kanawha River in West Virginia.

  8. List of crossings of the Ohio River - Wikipedia

    en.wikipedia.org/wiki/List_of_crossings_of_the...

    Henderson Bridge (Ohio River) CSX Transportation: Union Township and Henderson: 1932 Bi-State Vietnam Gold Star Bridges: US 41: Evansville and Henderson (crosses the river entirely within the state of Kentucky at this point) 1932, 1965

  9. Regions of Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Regions_of_Pennsylvania

    The Lehigh Valley is named for the Lehigh River, which flows through it. The region includes Allentown, the third-most populous city in Pennsylvania, the neighboring eastern Pennsylvania cities of Bethlehem and Easton, and its more rural suburbs. The region was once a hub for American heavy manufacturing.