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Visitors Guide to
Lock and Dam No. 20
Canton, Missouri
217-222-0918
Lock
and Dam No. 20 is a lock and dam located on the Upper Mississippi River,
about one mile upstream from Canton, Missouri. It was constructed
between 1932 and 1935 by the U.S. Army Corps of Engineers. The structure
is located at river mile 343.1. It includes a 2,369 feet
long dam, 40 tainter gates, 3
roller gates, and a lock chamber that is 110 feet
wide by 600 feet (182.9 m) long.
There is also an incomplete auxiliary lock. The facility was listed in
the National Register of Historic Places in 2004.
Location:
Lock
and Dam No. 20 is located along the Canton riverfront north of the downtown
district..
Regional Locks and Dams - Get more
information on the Locks and Dams in the Middle Mississippi River Valley
from Lock and Dam No.19 in Keokuk, Iowa to and Lock and Dam No. 27
in Granite City, Illinois just north of St. Louis.
 Learn more about the
Canton
area.
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