Best Websites - Study the Atlas of Historical County Boundaries with Lisa Louise Cooke

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Computer on a desk displaying a U.S. map from the Atlas of Historical County Boundaries. Text reads "Family Tree Podcast Best Websites.

In this episode of Best Websites, Lisa Louise Cooke offers a walk-through of the Atlas of Historical County Boundaries, hosted by The Newberry Library.

Best Genealogy Websites: Atlas of Historical County Boundaries

When searching for records, it’s critical to know where to look. The Newberry Library’s Atlas of Historical County Boundaries is a free online website that helps you identify changing county boundaries throughout history. Host Lisa Louise Cooke will explain how to use this free tool on the web as well as how to download the file for use in popular geographic software programs.

Visit the Atlas of Historical County Boundaries at https://digital.newberry.org/ahcb/index.html

Tips from this episode:

Use the interactive map for quick look ups. Start by clicking on the state.
Download individual state files or the entire national file in GIS or KMZ format (which is suitable for use in Google Earth.)
The data is copyright free, so users are free to use the data and print screens in genealogy research.

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