U.S. County Maps - The Diigo Meta page

• 28 Oct 09
  

  Michael Hait

  United States County Maps--Maps showing all the county boundries changes for each year overlayed with past and present maps so you can see the changes in county boundries and State Department of Transportation Maps

  county maps historic boundaries state borders

• 22 Feb 09
  

  Joy Schwarz

  "... animated maps showing all the county boundary changes for each year overlayed with past and present maps so you can see the changes in county boundaries and State Department of Transportation Maps."

  genealogy Iowa Indiana Missouri Illinois maps counties

• 01 Apr 08
  

  jyllsy *

  showing county formation & evolution

  states(50) maps history

• 09 Oct 07
  

  Randy

  genealogy maps

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