This file is a work of a U.S. Army soldier or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
{{Information | Description = Lock and dam 6 | Source = http://www.mvp.usace.army.mil/Home/Projects/tabid/18156/Article/571102/mississippi-river-9-foot-project-locks-and-dams.aspx | Date = 12 Feb 16 * [[File:Wikideas.jpeg|20px|l...
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