Allegheny River Lock and Dam No. 7 is a historic lock and fixed-crest dam complex located at East Franklin Township, Pennsylvania and Kittanning in Armstrong County, Pennsylvania. It was built between 1928 and 1930 by the United States Army Corps of Engineers, and consists of the lock, dam, esplanade, and Operations Building. The lock measures 56 feet by 360 feet, and has a lift of 13.0 feet. The dam measures approximately 20 feet high and 916 feet long. The Operations Building, or powerhouse, is a utilitarian two-story building in a vernacular early-20th century revival style. The lock and dam were built by the U.S. Army Corps of Engineers as a part of an extensive system of locks and dams to improve navigation along the

Allegheny River The Allegheny River ( ) is a long headwater stream of the Ohio River in western Pennsylvania and New York (state), New York. The Allegheny River runs from its headwaters just below the middle of Pennsylvania's northern border northwesterly into ...

. ''Note:'' This includes It was listed on the National Register of Historic Places in 2000.

References

{{National Register of Historic Places in Pennsylvania Locks on the National Register of Historic Places in Pennsylvania Transport infrastructure completed in 1930 United States Army Corps of Engineers dams Buildings and structures in Armstrong County, Pennsylvania Dams on the Allegheny River 1930 establishments in Pennsylvania National Register of Historic Places in Armstrong County, Pennsylvania Dams on the National Register of Historic Places in Pennsylvania Transportation buildings and structures in Armstrong County, Pennsylvania