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The Monongahela River ( / məˌnɒŋɡəˈhiːlə / mə-NONG-gə-HEE-lə, /- ˈheɪ -/ -HAY- ), [ 10] sometimes referred to locally as the Mon ( / mɒn / ), is a 130-mile-long (210 km) [ 6] river on the Allegheny Plateau in north-central West Virginia and Southwestern Pennsylvania. The river flows from the confluence of its west and east ...
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 eastern part of Allegheny Islands State Park and the C. W. Bill Young Lock and Dam (No. 3) on the Allegheny River. Several locks were built in the early 20th century to make the Allegheny River navigable for 72 miles upstream from Pittsburgh to East Brady.
The Ohio River is a 981-mile-long (1,579 km) river in the United States. It is located at the boundary of the Midwestern and Southern United States, flowing in a southwesterly direction from western Pennsylvania to its mouth on the Mississippi River at the southern tip of Illinois. It is the third largest river by discharge volume in the United ...
Monongahela River. Elizabeth Locks & Dam is one of nine navigational structures on the Monongahela River between Pittsburgh, Pennsylvania and Fairmont, West Virginia. Maintained and built by the U.S. Army Corps of Engineers, the gated dam forms an upstream pool that extends for 23.8 miles, stretching to Charleroi, Pennsylvania. [1]
This is a complete list of current bridges and other crossings of the Monongahela River starting from Pittsburgh, Pennsylvania, where the river helps to form the headwaters of the Ohio River, and ending in Fairmont, West Virginia, where the West Fork River and Tygart Valley River combine to form the Monongahela. Pennsylvania
00000400 [1] Added to NRHP. April 21, 2000. Allegheny River Lock and Dam No. 6 is a historic lock and fixed-crest dam complex located at Bethel Township and South Buffalo Township in Armstrong County, Pennsylvania. [2] It was built between 1927 and 1928 by the United States Army Corps of Engineers, and consists of the lock, dam, esplanade ...
April 21, 2000. Allegheny River Lock and Dam No. 9 is a historic lock and fixed-crest dam complex located at Madison Township and Washington Township in Armstrong County, Pennsylvania. [2] It was built between 1935 and 1938 by the United States Army Corps of Engineers, and includes the lock, dam, steel miter gates, and Operations Building.