Saturday - November 21, 2009
Jan 11

Written by: juhrovic
1/11/2008 4:57 PM

"The National Historical Geographic Information System (NHGIS) provides, free of charge, aggregate census data and GIS-compatible boundary files for the United States between 1790 and 2000. NHGIS offers the following options to obtain data:

  • The NHGIS Shape Finder provides access to boundary files for mapping data in a GIS software package.
  • The NHGIS Data Finder provides access to aggregate census data.
  • Social Explorer allows online mapping of NHGIS data"

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