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A 24-mile-long portion of the upper river in Warren and McKean counties of Pennsylvania and Cattaraugus County in New York forms the Allegheny Reservoir, which was created by the erection of the Kinzua Dam in 1965 for flood control.
The Allegheny River drainage basin covers parts of New York and Pennsylvania in the United States. 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:
Map of the District of West Augusta and the three counties formed from it in 1776.. The District of West Augusta was a short-lived (1774–76) historical region of Colonial Virginia that encompassed much of what is now northern West Virginia and southwestern Pennsylvania.
The “Middle Allegheny” River began in Warren County, east of Warren. Following the modern Allegheny River valley, south to Franklin, Venango County it turned to the northwest into the valley of French Creek. Crossing the divide outside of Erie into the Lake Erie Basin, where it joins ancestral St. Lawrence River through Canada. [1]
Parts of Allegheny and Lycoming Counties; attached to until 1805. A corruption of the Delaware word onenge, meaning "otter" 49,431: 683 sq mi (1,769 km 2) Warren County: 123: Warren: 1800: Parts of Allegheny and Lycoming counties; attached to Crawford County until 1805 and then to Venango until Warren was formally organized in 1819.
In an apparent effort to strengthen its political control of the area, in November 1776 Virginia reorganized the District of West Augusta into three counties: Ohio County, Monongalia County, and Yohogania County. [4] Pennsylvania and Virginia finally settled the boundary dispute in 1780. [5]
The upper and lower counties of Pennsylvania (now known as Delaware) joined eleven other British colonies in declaring their autonomy with signing of the United States Declaration of Independence in Philadelphia on July 4, 1776.
Pages in category "Rivers of Allegheny County, Pennsylvania" The following 39 pages are in this category, out of 39 total. This list may not reflect recent changes .