U.S. Army Corps of Engineers continue to repair and improve locks and dams on the Mississippi River The U.S. Army Corps of Engineers has long been an agency with a focus on the nation’s water ...

Looking at the pre-lock and dam river maps ... A 1936 U.S. Army Corps of Engineers map is shown depicting the Mississippi River splitting southwest Wisconsin and southeast Minnesota.

DUBUQUE, Iowa (KCRG) - The Army Corps of Engineers announced more locks and dams are now closed along the Mississippi River amid flooding. The lock in Dubuque and Fulton, Illinois closed Friday.