Ohio River
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The Ohio River is the largest tributary of the Mississippi River, by volume. It is 981 miles long, from Pittsburgh to where the river empties into the Mississippi at Cairo, Illinois.
The Ohio River drains a basin of 204,000 square miles.[1] The Allegheny and Monongahela rivers meet at what is now Pittsburgh, to form the Ohio.[2] Other tributaries include the Green, Cumberland, Tennessee, Beaver, Muskingum, Scioto, Miami, and Wabash rivers.
Before engineers built locks, and dredged shallow reaches, the river's average speed was five miles per hour.[1]
References
- ↑ 1.0 1.1 Michael C. Robinson (January 1983). History of Navigation in the Ohio River Basin. US Army Corps of Engineers. Retrieved on 2021-03-15.