70 ILCS 2605/150
As of August 29, 1953, the corporate limits of the Sanitary District of Chicago are hereby extended so as to include within the same the territory and tracts of land situated in the County of Cook and State of Illinois, hereinafter described as follows:
The East Half of the East Half of the Southeast Quarter of Section 21, all of Sections 22 and 27, the East Half of Section 28, the East Half of the East Half of Section 34, except that part lying South of a line extending from a point in the East line of said Section 34, 1070 feet North of the Southeast corner thereof to a point on the West line of the East Half of the East Half of said Section 34, 1198.52 feet North of the South line of said Section 34, and those portions of said Section 34, except the East Half of the East Half thereof, and of the Northeast Quarter of Section 33 lying North of the center line of the Calumet-Sag Channel of the Sanitary District of Chicago, in Township 37 North, Range 13, East of the Third Principal Meridian, in Worth Township, Cook County, and State of Illinois.
70 ILCS 2605/150