Grays Landing Lock and Dam previously known as Lock and Dam Number 7 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 is 11.2 miles (18.0 km) long stretching to the base of the Point Marion Lock and Dam. It is located at river mile 82.There is one lock chamber on the left descending bank of the river at the dam.
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point
building start year
1988-01-01T00:00:00+02:00
location
Monongahela Township Greene County Pennsylvania, Nicholson Township Fayette County Pennsylvania
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