As of July 18, 1945 the corporate limits of the Sanitary District of Chicago are hereby extended so as to embrace and include within the same the territory and tracts of land situated in the County of Cook and State of Illinois, hereinafter described as follows:
     That portion of the South Half (1/2) of Section Twenty-eight (28) not now in the Sanitary District of Chicago, the South Half (1/2) of Section Twenty-nine (29), the South Half (1/2) of Fractional Section Thirty (30), all of Fractional Section Thirty-one (31), all of Sections Thirty-two (32), Thirty-three (33) and Thirty-four (34); all in Township Forty (40) North, Range Twelve (12), East of the Third Principal Meridian, and also that portion of Section Five (5) not now in the Sanitary District of Chicago, and the North Half (1/2) of Fractional Section Six (6) in Township Thirty-nine (39) North, Range Twelve (12), East of the Third Principal Meridian.