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Visitors Guide to Lock and Dam No. 22 is located near Saverton, Missouri on the Upper Mississippi
River around river mile 301.2. Listed on the National Register of Historic
Places construction of the lock and dam began in 1934 and became
operational in July 1938. The dam portion of the structure is 1,224 feet long
and consists of 3 roller gates and 10 tainter gates. A 1,600 foot
long submersible earthen dike extends to a flood control levee on
the Illinois shore. The Robert H.
Thompson Conservation Area is just downstream from Lock and Dam #22 and
Bald Eagles can be seen during the winter as the birds take advantage of
the open churning water.
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