[OR_Archaeology] Digital Atlas of Historical County Boundaries

[Susan White]

COUNTY BOUNDARY ATLAS PUBLISHED DIGITALLY

The Newberry Library has released of its Digital Atlas of Historical County Boundaries, a dataset that covers every day-to-day change in the size, shape, location, name,
organization, and attachment of each U.S. county and state from the creation of the first county in 1634 through 2000. 

Oregon is included!

The data are organized by state and are available online in four versions of maps, shapefiles, KMZ files, and PDF files. Supplementing the polygons and maps for each state are chronologies, commentary on historical problems, long and short metadata documents, and a bibliography. 

The atlas is available at http://publications.newberry.org/ahcbp/  

Queries should be addressed to scholl at newberry.org.