A bill to authorize reconstruction and new construction of locks and dam 26 on the Mississippi River near Alton, Ill., to authorize the preparation of a master plan for the management of the Upper Mississippi River.

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

Withdraws all authority for the Secretary of the Army to construction or study the feasibility of construction or modification of channels in the Mississippi River north of its juncture with the Illinois River.

Creates an Upper Mississippi River System Council. Directs the Council to prepare a master plan by 1981 for the management of the Upper Mississippi River. Requires public hearings on a preliminary plan prior to preparation of a final plan.

Establishes criteria to be considered in preparing such master plan.