https://geo.btaa.org/resources/d4486e7d59734f08ba1626fa7aeb3488_0
Chicago Wards 1986 [Illinois--Chicago] - Big Ten Academic Alliance Geoportal
This is the ward map that preceded the 1992 map. The file was generated largely from voting district boundaries (which are numbered by ward) and may...
chicago wardsbig tenillinoisacademicalliance