Allegheny River Lock and Dam No. 4
Encyclopedia
The Allegheny River Lock and Dam No. 4 in Harrison Township, Allegheny County, Pennsylvania
, is a lock that was built in 1927. 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
. It was listed on the National Register of Historic Places
on April 21, 2000.
Harrison Township, Allegheny County, Pennsylvania
Harrison Township is a township in Allegheny County, Pennsylvania, United States. The population was 10,461 at the 2010 census. Pennsylvania Route 28 passes through Harrison Township connecting Kittanning to the northeast and Pittsburgh to the southwest. Allegheny Technologies has extensive steel...
, is a lock that was built in 1927. 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
Allegheny River
The Allegheny River is a principal tributary of the Ohio River; it is located in the Eastern United States. The Allegheny River joins with the Monongahela River to form the Ohio River at the "Point" of Point State Park in Downtown Pittsburgh, Pennsylvania...
. It was listed on the National Register of Historic Places
National Register of Historic Places
The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...
on April 21, 2000.