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Geography and GIS

Guide for Geography and Geographic Information Systems including available programs and GIS data. See the Maps and Aerial Photos guide for additional mapping resources.

GIS programs

GIS Data Files

Chicagoland GIS files

Free Software Available Online


Often data has address information but needs to be georeferenced or geocoded. This means that you need to add spatial coordinates to a data base to use it in GIS programs.

Help with GIS Terms