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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.
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.
Map of the Muskingum River watershed Aerial view of the Ohio and Muskingum Rivers at Marietta, Ohio. The Muskingum River (/ m ə ˈ s k ɪ ŋ (ɡ) ə m / mə-SKING-(g)əm; Shawnee: Wakatamothiipi) [4] is a tributary of the Ohio River, approximately 111 miles (179 km) long, in southeastern Ohio in the United States. An important commercial route ...
The Ohio River forms its southern border, though nearly all of the river itself belongs to Kentucky and West Virginia. Significant rivers within the state include the Cuyahoga River, Great Miami River, Maumee River, Muskingum River, and Scioto River. The rivers in the northern part of the state drain into the northern Atlantic Ocean via Lake ...
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 ...
The U.S. Fish and Wildlife Service established the Ohio River Islands National Wildlife Refuge more than 30 years ago to protect islands all along the Ohio, but most of the preserved land is along ...
The Buffalo Creek area was first visited by Europeans in the 1600s by LaSalle. Later in 1749, Captain Celeron de Blainville sailed down the Ohio River planting lead plates to claim land for France. These claims were then nullified during the Treaty of Paris of 1763. [9] Settlement of the watershed began in the early 1770s with James Caldwell.
They are located at mile point 606.8, and control a 72.9 miles (117.3 km) long navigation pool. The locks and their associated canal were the first major engineering project on the Ohio River, completed in 1830 as the Louisville and Portland Canal, designed to allow shipping traffic to navigate through the Falls of the Ohio.