A bill to authorize the construction of a lock and dam project on the Mississippi River near Alton, Ill., to revoke existing authorities for 12-foot channel studies on the Upper Mississippi.

Authorizes the Secretary of the Army, acting through the Corps of Engineers, to construct a lock and dam project on the Mississippi River near Alton, Illinois.

Withdraws the authority of the Secretary of the Army to study or to undertake the deepening of the navigation channels on the Mississippi River above Chicago, Illinois.