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The Allegheny River (/ ˌælɪˈɡeɪni / AL-ig-AY-nee) is a 325-mile-long (523 km) headwater stream of the Ohio River that is located in western Pennsylvania and New York in the United States. It runs from its headwaters just below the middle of Pennsylvania's northern border, northwesterly into New York, then in a zigzag southwesterly across ...
This is a list of current bridges and other crossings of the Allegheny River starting from Pittsburgh, Pennsylvania, where it joins the Monongahela to form the Ohio River. Crossings [ edit ]
The Allegheny Reservoir is a man-made lake created along the Allegheny River with the construction of the Kinzua Dam in 1965. The dam was authorized by the United States Congress as a flood control measure in the Flood Control Acts of 1936 and 1938, and was built by the U. S. Army Corps of Engineers beginning in 1960.
18th and 19th centuries. The Monongahela River valley was the site of a famous battle that was one of the first in the French and Indian War —the Braddock Expedition (May–July 1755). It resulted in a sharp defeat for two thousand British and Colonial forces against those of the French and their Native American allies.
The Allegheny River drainage basin is part of the Mississippi riverine system. This article contains a list of tributaries of the Allegheny River, a stream in the U.S. states of New York and Pennsylvania. (Mouth at the Ohio River ) New York Sources: Oswayo Creek (Portville, Cattaraugus Co., NY) [1] Dodge Creek (Allegany County NY)
Designated PHLF. 2004 [1] Location. The Washington Crossing Bridge, commonly known as the Fortieth Street Bridge, is an arch bridge that carries vehicular traffic across the Allegheny River between the Pittsburgh neighborhood of Lawrenceville and the suburb of Millvale. [2][3][4] The bridge is decorated with the seals representing the original ...
April 21, 2000. C.W. Bill Young Lock and Dam (formerly known as Allegheny River Lock and Dam No. 3[2]) in Harmar Township, Allegheny County, Pennsylvania, and Plum, Pennsylvania, is a lock that was built in 1932. [3] The lock and fixed-crest dam [3] were built by the U.S. Army Corps of Engineers as a part of an extensive system of locks and ...
Sycamore Island is an alluvial island in the Allegheny River parallel to Ninemile Island in the borough of Blawnox, Allegheny County in the U.S. state of Pennsylvania . Sycamore Island is the last remaining privately owned undeveloped island in Allegheny County. The island hosts a unique floodplain hardwood forest – among the most rare plant ...