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Lock and Dam No. 20 is a lock and dam located on the Upper Mississippi River, the lock side in Canton, Missouri and the dam crossing to Meyer, Illinois. The structure is located at river mile 343.1. It includes a 2,369 feet (722 m) long dam, 40 tainter gates , 3 roller gates , and a lock chamber that is 110 feet (34 m) wide by 600 feet (183 m ...
HAER No. MO-34, "Upper Mississippi River Nine-Foot Channel Project, Lock & Dam Complex No. 20, Canton, Lewis County, MO", 33 photos, 18 data pages, 2 photo caption pages HAER No. MO-35, " Upper Mississippi River Nine-Foot Channel Project, Lock & Dam Complex No. 22, Saverton, Ralls County, MO ", 21 photos, 15 data pages, 2 photo caption pages
Following is a list of dams and reservoirs in Pennsylvania.. All major dams are linked below. The National Inventory of Dams defines any "major dam" as being 50 feet (15 m) tall with a storage capacity of at least 5,000 acre-feet (6,200,000 m 3), or of any height with a storage capacity of 25,000 acre-feet (31,000,000 m 3).
Following the opening of the lock and dam at Davis Island in 1885, the venture proved to be worthy. In 1910, the Rivers and Harbors Act was authorized by Congress . The Act allowed the production of a system of locks and dams along the Ohio.
Allegheny River Lock and Dam No. 8; Allegheny River Lock and Dam No. 9; D. Davis Island Lock and Dam Site; M. Merrill Lock No. 6
Maxwell Lock and Dam is a navigational lock and gated dam on the Monongahela River between Centerville in Washington County, and Luzerne Township in Fayette County in Pennsylvania. It is part of a series of dams that canalizes the Monongahela to a depth of at least 9 feet (2.7 m) for its entire length from Fairmont , West Virginia to Pittsburgh ...
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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.