Aerators stop odors in Chicago. (2000). Water Engineering & Management, 147(1), 18.
The Calumet Tunnel Project.(1996). Cost Engineering, 38(7), 19.
Banquet Hall a Tunnel. (1904, Feb 11). Chicago Daily Tribune, pp. 7.
Plans Underground Roads to Cure the Transit Evil. (1898, Jan 16). Chicago Daily Tribune, pp. 38.
Chicago (Ill.). Bureau of Engineering. (1924). The Water Supply System of Chicago, by John Ericson ... City Engineer of Chicago. Chicago: Barnard & Miller Print.
Chicago (Ill.). City Council. Committee on Local Transportation. (1911). Recommendations and General Plans for a Comprehensive Passenger Subway System for the City of Chicago, Made and Submitted to Honorable Fred A. Busse, Mayor, and Honorable Milton J. Foreman, Chairman, and the Members of the Committee on Local Transportation of the City Council of the City of Chicago, by Bion J. Arnold, January, 1911. Chicago.
Department of Subways and Superhighways. (1940). Chicago's First Subway System; Development and Progress ... Committee on Local Transportation ... Department of Subways and Superhighways. Chicago.
Chicago Bureau of Public Efficiency. (1917). The Water Works System of the City of Chicago; Report. Chicago.
Chicago Tunnel Company, & Chicago Warehouse & Terminal Company. (1915). Lifting the Lid in the Loop. Chicago: Chicago Tunnel Co. : Chicago Warehouse & Terminal Company.
Chicago Tunnel Terminal Corporation. (1928). The Chicago Freight Tunnels; the Organization, Equipment and Service of the Underground Tubes Which Handle Thousands of Carloads of Freight Each Day and Take a Great Traffic Burden From the Busy Streets of the Loop. Chicago: Chicago Tunnel Terminal Corporation.
Department of Public Works. Engineering Commission. (1905). Report to the Commissioner of Public Works, Chicago, on the Tunnels of the Illinois Tunnel Company by the Engineering Commission, appointed July 6, 1905. Chicago: Press of Stevens, Maloney & Co.
Department of Sewers and Water (1954). Chicago Water System. Chicago: Department of Sewers and Water.
Department of Subways and Superhighways. (1943). The Chicago Subways. Chicago: F. J. Riley Printing Co.
Illinois Tunnel Company. (1919). Chicago Subway System Built by the Illinois Tunnel Company, Built Without Accident and No Claims for Damages ...Chicago.
Moffat, B. (1982). Forty Feet Below : The Story of Chicago's Freight Tunnels. Glendale, Calif.: Interurban Press.
Shinnick, W. (1943, Oct 10). Parade a Mile Long Will Open Subway Traffic. Chicago Daily Tribune, pp. 2.
Tagge, G. (1938, Dec 18). First spadeful of dirt turned for new subway. Chicago Daily Tribune, pp. 12.
United States. Environmental Protection Agency. Region V, & Booz, Allen & Hamilton. (1977). Tunnel Component of the Tunnel and Reservoir Plan Proposed by the Metropolitan Sanitary District of Greater Chicago : Lower Des Plaines System. Chicago: Environmental Protection Agency, Region 5, Water Division.
Wallis. (1874). The Tunnels and Water System of Chicago : Under the Lake and Under the River. Chicago: J.M. Wing.