Tags: Dam.

Lock and Dam No. 20 is a lock and dam located on the Upper Mississippi River about one mile upstream from Canton Missouri.The structure is located at river mile 343.1. It includes a 2369 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.

Mississippi_River_Lock_and_Dam_number_20_HAER.jpg
length (km)
722.071
building start year
1932-01-01T00:00:00+02:00
location
Adams County Illinois, Lewis County Missouri, Canton Missouri, Lima Township Adams County Illinois
opening date
1935-11-20
opening year
1935-01-01T00:00:00+02:00
operator
United States Army Corps of Engineers
river
Upper Mississippi River
latitude
40.1436
longitude
-91.5128

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