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Bookmark or Share- Ohio River - WikipediaThe Ohio River is a 981-mile-long (1,579 km) river in the United States. It is located at the boundary of the Midwestern and Southern United States, flowing in a southwesterly direction from western Pennsylvania to its mouth on the Mississippi River at the southern tip of Illinois.
- Ohio River | Geography, History & Importance | BritannicaOhio River, major river artery of the east-central United States. Formed by the confluence of the Allegheny and Monongahela rivers at Pittsburgh, it flows northwest out of Pennsylvania, then in a general southwesterly direction to join the Mississippi River at Cairo, Illinois (see photograph),
- Ohio Valley - Encyclopedia.comOHIO VALLEY. The Ohio River drains into a fertile basin that measures 203,000 square miles (528,101 square kilometers) — stretching across Ohio, West Virginia, Indiana, Illinois, and Kentucky. The river is formed by the confluence of the Allegheny and Monongahela rivers at Pittsburgh, Pennsylvania. From there the Ohio flows southwest, forming ...
- Ohio River: A Historical & Ecological Marvel - Ocean InfoFrom around 800 BCE to 1000 CE (the Woodland period in Ohio Valley), the native tribes built mounds and earthworks in the Ohio river valley for burial, rituals, ceremonial gatherings, and bordering and defensive purposes.
- Ohio River - New World EncyclopediaIt is approximately 981 miles (1,579 km) long and is located in the eastern United States. Flowing through or along the border of six states, its drainage basin encompasses 14 states, including many of the states of the southeastern U.S. through its largest tributary, the Tennessee River.
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