Talk:List of locks and dams of the Upper Mississippi River

External links modified
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 * Added archive https://web.archive.org/web/20100527233810/http://www.mvp.usace.army.mil/navigation/default.asp?pageid=145 to http://www.mvp.usace.army.mil/navigation/default.asp?pageid=145

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Cheers.— InternetArchiveBot  (Report bug) 05:25, 31 December 2017 (UTC)