Muscatine, IA - The U.S. Army Corps of Engineers Mississippi River Project invites the public to enjoy a tour of Lock and Dam #16. Every Sunday from May 25, 2014 through August 31, 2014 at 2:00 PM, weather permitting, tours of Locks and Dam #16 will be conducted for the public. A special Memorial Day weekend tour will be held on Saturday, May 24, 2014 at 2:00 PM.