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The Ohio River is the one of the most important tributaries to the Mississippi River. It is 981 miles long. It forms boundaries for the states of Ohio, Kentucky, Illinois, Indiana, and West Virginia before finally going to its headwaters in Pennsylvania. It is its widest a little to the left of downtown Louisville, where it is one mile wide.


Ohio River facts for kids. Kids Encyclopedia Facts. ... The Ohio River, which streams westward from Pittsburgh, Pennsylvania, to Cairo, Illinois, is the largest tributary, by volume, of the Mississippi River in the United States. ... Ohio with Ohio River and Scioto River tributary on right.


Ohio became the 17th state in 1803. The Ohio and Lake Erie Canal opened almost 30 years later and connected Lake Erie with the Ohio River. That made it much less expensive to ship goods from the east, so more settlers started arriving in the state. Most people from Ohio fought for the Union during the Civil War.


The Ohio River Basin. The Ohio River Basin covers parts of 14 states and is home to millions of peoples and many industries. A river basin is the land surrounding a river that drains into the ...


Ohio River Facts The River and Its Watershed. The Ohio River is 981 miles long, starting at the confluence of the Allegheny and the Monongahela Rivers in Pittsburgh, Pennsylvania, and ending in Cairo, Illinois, where it flows into the Mississippi River.


All things fishing on the Ohio River. Fast Facts. Begins in Pittsburgh, PA; formed by the confluence of the Allegheny and Monongahela rivers


The United States Army Corps of Engineers first undertook improvements of the Ohio River in 1824. Initial canalization of the river was completed in 1929 with the dedication of a system of 46 low-level locks and dams. Engineering projects made the Ohio completely navigable with a channel 9 feet (2.7 meters) deep.


Kids learn facts and geography about the state of Ohio including symbols, flag, capital, bodies of water, industry, borders, population, fun facts, GDP, famous people, and major cities.


Get Kentucky facts, maps, and pictures in this U.S. state profile from National Geographic Kids. Family. See Badges. LogOut. 10767. Articles ... Kentucky is bordered by Indiana and Ohio in the north, where the Ohio River creates a wiggly boundary. It has West Virginia (separated from Kentucky by the Big Sandy River) and Virginia to the east, ...


The Ohio River begins at Pittsburgh, Pennsylvania, where the Allegheny and Monongahela rivers come together. It flows northwest out of Pennsylvania and then turns southwest to join the Mississippi River in Illinois. It is 981 miles (1,579 kilometers) long.