1998. University of Chicago Library. This file gives 1998 boundaries of the districts used by the Chicago Police Department. It is derived largely from the maps at the Police Departmen...
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1998. University of Chicago Library. This is the ward map for Chicago that was in effect between 1998 and early 2003. The file was derived from the Tiger 1998 voting district file. Geo...
2020. University of Chicago Library. This map is part of a collection of 10 maps showing the location of Presbyterian Churches in relation to ethnic groups in the city of Chicago. The ...
2020. University of Chicago Library. This file corrects several problems in the original TIGER/line files, notably the inclusion of parts of Lake Michigan within the city limits, and t...