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Ohio River
Introduction References & Edit History Related Topics
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Confluence of the Mississippi and Ohio rivers Map of the United States highlighting the course of the Ohio River in the eastern part of the country, with the river's name labeled in orange. The map includes state boundaries and a small inset globe showing the region's location in North America. cofferdam Marietta Ohio River Railroad bridge over the Ohio River Yeatmans Cove Park, Cincinnati, Ohio Cincinnati, Ohio Map showing the Mississippi River basin and its extensive drainage network across the central United States, with major tributaries labeled, physical features such as mountain ranges and plains indicated by color-coded elevation, and state boundaries outlined. The map includes a locator inset highlighting the region within North America. Early map of the falls of the Ohio River, site of Louisville, Ky.
Quizzes
Tower Bridge over the Thames River in London, England. Opened in 1894. Remains an Important Traffic Route with 40,000 Crossings Every Day.
Guess the City by Its River Quiz
water glass on white background. (drink; clear; clean water; liquid)
Water and its Varying Forms

Ohio River: References & Edit History

Article Contributors

Primary Contributors

  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Invalidated site: AZ Animals - How Deep is the Ohio River? Jun 25, 2026
Add new Web site: The West Virginia Encyclopedia - Ohio River. Jan 19, 2024
Map added. Jun 09, 2023
Add new Web site: AZ Animals - How Deep is the Ohio River? Jul 11, 2022
Add new Web site: National Park Service - The Ohio River. Jun 25, 2021
Add new Web site: PBS LearningMedia - How The Ohio River Was Formed. Jun 25, 2021
Add new Web site: Ohio Environmental Council - Ohio River. May 10, 2019
Add new Web site: Illinois Department of Natural Resources - Ohio River. Mar 08, 2017
Add new Web site: Official Site of Ohio River Foundation. Jul 21, 2016
Added new Web site: Ohio History Central - Ohio River. Jun 18, 2009
Added new Web site: How Stuff Works - Geography - Geography of Ohio River. Jul 29, 2008
Added new Web site: Ohio River Foundation - Ohio River. Jan 17, 2008
Article revised. Nov 10, 2000
Article added to new online database. Jul 28, 1999
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