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Newberry Library's Interactive Maps

The Newberry Library of Chicago recently added the Atlas of Historical County Boundaries back to their website. These interactive maps are a wonderful resource for understanding county border changes. The maps show how the borders of each state's counties have changed over time. Give it a try! 

To access the maps, click here. Get started by selecting a state from the map and then click on “View Interactive Map.”

Many thanks to the Newberry Library for making these maps available and to Judy G. Russell, the Legal Genealogist, for getting the word out.

© 2011, copyright Illinois State Genealogical Society

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