List of locks and dams of the Upper Mississippi River

This is a list of current and former locks and dams of the Upper Mississippi River which ends at the Mississippi River's confluence with the Ohio River at Cairo, Illinois. == Locks and dams == == Expansion proposals for upper Mississippi locks == The Army Corps of Engineers has studied the expansion of some locks on the Upper Mississippi.

Source: Wikipedia — List of locks and dams of the Upper Mississippi River (CC BY-SA 4.0)