Ohio River

The Ohio River is a principal tributary of the Mississippi River, 1,579 km (981 mi) long in the eastern United States.

History

Since it was considered by pre-Columbian inhabitants of eastern North America to be part of a single river continuing on through the lower Mississippi, it is perhaps an understatement to characterize the Ohio as a mere tributary of the Mississippi. The river is 981 miles (1579 km) long and carries the largest volume of water of any upper tributary of the Mississippi. In fact, the Ohio typically carries a much greater volume of water than the upper Mississippi.

Related Topics:
North America - Tributary

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On May 19, 1749 King George II of Great Britain granted the Ohio Company a charter of land around the forks of the Ohio River.

Related Topics:
May 19 - 1749 - George II of Great Britain - Ohio Company - Forks

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Louisville, Kentucky was founded at the only major natural navigational barrier on the river, the Falls of the Ohio. These were a series of rapids where the river flowed over hard, fossil-rich beds of limestone. The first locks on the river were built at Louisville to circumnavigate the falls. Today, this is the site of McAlpine Locks and Dam.

Related Topics:
Louisville, Kentucky - Falls of the Ohio - Limestone - McAlpine Locks and Dam

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Because the Ohio River flowed westwardly, it became the convenient means of westward movement by pioneers travelling from western Pennsylvania. After reaching the mouth of the Ohio, settlers would travel north on the Mississippi River to St. Louis, Missouri. There, some continued on up the Missouri River, some up the Mississippi, and some further west over land routes. In these early days, in the early 19th century, pirates set up shop at Cave-in-Rock in southern Illinois, waylaid travellers on their way down the river, killed them, stole their goods, and scuttled their boats. The folktales of Mike Fink recall the keelboats used for commerce in the early days of European settlement.

Related Topics:
Pennsylvania - St. Louis, Missouri - Missouri River - 19th century - Cave-in-Rock - Illinois - Mike Fink - Keelboat

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Because of its significant role as the southern border of Ohio, Indiana, and Illinois, the Ohio River is historically famous as the border dividing free states and slave states. As depicted in several novels by Harriet Beecher Stowe and Toni Morrison, the Ohio River was the barrier which, by crossing by boat or 'on ice floes', slaves were freed. Today, the Ohio River generally separates Midwestern and Great Lakes states from Southern border states.

Related Topics:
Harriet Beecher Stowe - Toni Morrison - Midwest - Great Lakes

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Interestingly, by an accident of history, the charter for Virginia went not to the middle of the Ohio River, but to its far shore so the entire river was included. Wherever the river serves as a boundary between states—Illinois, Indiana and Ohio on the north, and Kentucky and West Virginia on the south, the river essentially belongs to the two states on the south that were divided from Virginia. Kentucky brought suit against Indiana in the early 1980s because of the building of the Marble Hill nuclear power plant in Indiana, which would have discharged its waste water into the river. The U.S. Supreme Court held that Kentucky's jurisdiction (and, implicitly, that of West Virginia) extended only to the low water mark of 1793, important because the river has been extensively dammed for navigation, so that the present river bank is north of the old low water mark. Similarly in the 1990s, Kentucky disputed Illinois' right to collect taxes on a riverboat casino docked in Metropolis, citing their control of the entire river.

Related Topics:
Virginia - Illinois - Indiana - Ohio - Kentucky - West Virginia - 1980s - U.S. Supreme Court - 1793 - Metropolis

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In the early 1980s, the Falls of the Ohio National Wildlife Conservation Area was established at Louisville, Kentucky.

Related Topics:
Falls of the Ohio National Wildlife Conservation Area - Louisville, Kentucky

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