Miami, river, United States

Miami mīămˈē, –ə [key] or Great Miami, river, c.160 mi (260 km) long, formed in W Ohio near Indian Lake and flowing generally SW past Dayton to the Ohio River at the Ind. line. The Miami River system has large-scale flood-control projects. The Miami and Erie Canal (c.240 mi/390 km long; opened in the 1830s) linked the upper Miami River with Lake Erie and was the principal transportation route of W Ohio until the 1850s. The Little Miami River (95 mi/152 km long) to the east and generally parallel, rises SE of Springfield and enters the Ohio River at Cincinnati.

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