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dbloom

Atlas of Historical County Boundaries - 0 views

www.thedeadlibrarian.blogspot.com

newberrylibrary historicalmaps countyboundaries research history genealogy

shared by dbloom on 04 Jul 10 - Cached
  • dbloom on 04 Jul 10
     
    The Newberry Library in Chicago has created a remarkable tool to visualize county boundary changes over time. The site allows the viewer to use map layers to picture how county boundaries fluctuate.
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