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The Ohio River at Cairo is 281,500 cu ft/s (7,960 m 3 /s); [1] and the Mississippi River at Thebes, Illinois, which is upstream of the confluence, is 208,200 cu ft/s (5,897 m 3 /s). [66] The Ohio River flow is greater than that of the Mississippi River, so hydrologically the Ohio River is the main stream of the river system.
An early map of the Falls of the Ohio; Louisville, Kentucky is in the lower right The area is located at the Falls of the Ohio, which was the only navigational barrier on the river in earlier times. The falls were a series of rapids formed by the relatively recent erosion of the Ohio River operating on 386-million-year-old Devonian hard ...
This is a list of locks and dams of the Ohio River, which begins at the confluence of the Allegheny and Monongahela rivers at The Point in Pittsburgh, Pennsylvania and ends at the confluence of the Ohio River and the Mississippi River, in Cairo, Illinois. A map and diagram of U.S. Army Corps of Engineers operated locks and dams on the Ohio River.
Although the soils and underlying rocks officially put Louisville in the outer Bluegrass region, the city's landscape is better described as being in a very wide part of the Ohio River flood plain. Louisville's part of the valley is located between two plateaus, the karst plateau of Southern Indiana and the Bluegrass plateau of Kentucky, both ...
The Ohio River in southwest Louisville looking towards West Point, KY. The Ohio Valley is a sub region in Kentucky running 658 miles (1,059 km) long including parts of 25 counties and across five regions of the state. Over 45% of Kentucky's population live in counties that border the Ohio River, although those counties are only 16% of the state ...
It is located on the banks of the Ohio River at Clarksville, Indiana, across from Louisville, Kentucky. The park is part of the Falls of the Ohio National Wildlife Conservation Area . The exposed fossil beds of the Jeffersonville Limestone dated from the Devonian period are the main feature of the park, attracting about 160,000 visitors ...
The Big Sandy River, called Sandy Creek as early as 1756, is a tributary of the Ohio River, approximately 29 miles (47 km) long, [7] in western West Virginia and northeastern Kentucky in the United States. The river forms part of the boundary between the two states along its entire course. Via the Ohio River, it is part of the Mississippi River ...
The Ohio water resource region is one of 21 major geographic areas, or regions, in the first level of classification used by the United States Geological Survey to divide and sub-divide the United States into successively smaller hydrologic units. These geographic areas contain either the drainage area of a major river, or the combined drainage ...