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About: Lock and Dam No. 20     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : dbo:ArchitecturalStructure, within Data Space : dbpedia.org associated with source document(s)

Type: ThinginfrastructureDamdamgeo:SpatialThingarchitectural structure New Facet based on Instances of this Class

Lock and Dam No. 20 is a lock and dam located on the Upper Mississippi River, near Meyer, Illinois, and about one mile upstream from Canton, Missouri. 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) long. There is also an incomplete auxiliary lock. In 2004, the facility was listed in the National Register of Historic Places as Lock and Dam No. 20 Historic District, #04000180 covering 839 acres (340 ha), 1 building, 6 structures, 3 objects.