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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.
The Hannibal Locks and Dam are a United States Army Corps of Engineers concrete locks and lift gate dam, located at river mile marker 126.4 on the Ohio River at Hannibal, Ohio and New Martinsville, West Virginia. The locks and dam were built to replace the wicket-type locks and dams Number 12, 13 and 14.
A report by the United States Army Corps of Engineers (USACE) in 1933 proposed, among other things, expanding the size of the lock to 600 by 110 feet (183 m × 34 m) to improve navigation. [1] It would not be until 1946 when Congress would authorize funding for the improvements to the Cal-Sag Channel. [1]
T. J. O’Brien Lock and Dam on the Calumet River, part of the Illinois Waterway. A series of eight locks, managed by the Army Corps of Engineers, controls water flow from Lake Michigan to the Mississippi River system. The upper lock, T.J. O'Brien, is 7 miles from Lake Michigan on the Calumet River and the last lock is 90 miles (140 km ...
The lock is owned and operated by the U.S. Army Corps of Engineers. The dam is owned and operated by Ameren Missouri. The lock and dam obliterated the Des Moines Rapids which had effectively been the northern barrier for traffic on the Mississippi until efforts began in 1837 to address the Mississippi's 2 ft 6 in (76 cm) depth in the rapids.
The United States Army Corps of Engineers (USACE) is the military engineering branch of the United States Army. A direct reporting unit (DRU), it has three primary mission areas: Engineer Regiment, military construction, and civil works.
It is operated by the Army Corps of Engineers (USACE). [ 2 ] While the system primarily follows the Arkansas River , it also includes portions of the Verdigris River in Oklahoma, the White River in Arkansas, and the Arkansas Post Canal, a short canal named for the nearby Arkansas Post National Memorial which connects the Arkansas and White Rivers.
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 is the most-used lock operated by the United States Army Corps of Engineers. [4] Lock and Dam No. 2 is located about 6.7 Miles up the Allegheny River from the Point in Downtown ...