The Maps Collection of the Richard J. Daley Library houses a cartographic materials collection of over 179,000 maps, 2,000 atlases, 150,000 aerial photographs, a small collection of map-related reference books, as well as digital data. The Maps Collection is located on the third floor of the Richard J. Daley Library.
Most Maps materials are available in the open cabinets on the 3rd floor of the Daley Library.
For reference assistance for Maps Unit materials, visit the Ask A Librarian service. Select “General Library & Research Information” as the department to which we should direct your question, type your research question and list any call numbers of items or collections/boxes/folders you would like to review in the Question or More Detail/Explanation field
The original plats and field notes for an area can be useful to understand how an area has changed in the last 150 or more years. These are available on microfilm at the Daley Library and online through the General Land Office (GLO).
For more information, see M.D. Hutchinson (1988) "A Guide to Using the Public Land Survey Field Notes in Illinois." Natural Areas Journal 8: 245-255.
More information is available in this guide from Mike Iverson and Dennis Nyberg. Guide
UIC has several databases that allow the creation of maps based on demographic and business data.