Chicago's Storm Tunnels
Deep Tunnel
The Tunnel and Reservoir Plan, commonly known as Deep Tunnel, is a project designed to alleviate storm drainage into rivers and lakes in the Chicago Metro area. The project was begun in 1976 and is scheduled for completion later this year.
Tunnel Component of the Tunnel and Reservoir Plan Proposed by the Metropolitan Sanitary District of Greater Chicago : Lower Des Plaines System / U.S. Environmental Protection Agency, Region V, Chicago, Illinois. Chicago, Ill.: Environmental Protection Agency, Region 5, Water Division, 1977. Crerar Library TD224.I3T86 1977
Summary report of the Environmental Impact statement for the Tunnel and Reservoir Plan.

Anonymous "The Calumet Tunnel Project" Cost Engineering 1996 38, (7), p.19. Retrieved from ProQuest Accounting and Tax. Provided to AACE International by Kenny Construction Company and Robert McKendrick and published in the July 1996 Cost Engineering Journal
This article describes the state of the TARP Project in 1996.