-------- Original Message -------- Subject: Re: National Historical Geographic Information System Date: Fri, 15 Jun 2007 09:54:43 -0400 From: Darle Balfoort <[log in to unmask]> To: <[log in to unmask]> Way cool! "Laughter is the shortest distance between two people." -- Victor Borge >>> [log in to unmask] 6/15/2007 8:43 AM >>> -------- Original Message -------- Subject: National Historical Geographic Information System Date: Thu, 14 Jun 2007 10:56:09 -0400 From: Michele Shular <_ [log in to unmask] <mailto:[log in to unmask]>_ > To: maps <_ [log in to unmask] <mailto:[log in to unmask]>_ >, GIS for Libraries <_ [log in to unmask] <mailto:[log in to unmask]>_ > Please excuse the cross-posting ------------------------------------------------------- Amazing.... Just sharing news that historical aggregate census data and associated boundary shapefiles files from 1790 to present are now online provided through the Minnesota Population Center at the University of Minnesota. Its FREE !!! _http://www.nhgis.org/_ About: The National Historical Geographic Information System <_ http://autobahn.esri.com/esri/etrack.aspx?DSN=Production&FORMID=113401&INTID=131001&AUDID=1209301&URL=http://www.nhgis.org <http://autobahn.esri.com/esri/etrack.aspx?DSN=Production&FORMID=113401&INTID=131001&AUDID=1209301&URL=http://www.nhgis.org>_ > (NHGIS) provides, at no cost, aggregate census data and GIS-compatible boundary files for the United States between 1790 and 2000. There are two options for mapping NHGIS data: download boundary files for use in GIS software or create maps using Social Explorer <_ http://autobahn.esri.com/esri/etrack.aspx?DSN=Production&FORMID=113401&INTID=131001&AUDID=1209301&URL=http://www.socialexplorer.com/ <http://autobahn.esri.com/esri/etrack.aspx?DSN=Production&FORMID=113401&INTID=131001&AUDID=1209301&URL=http://www.socialexplorer.com/>_ >, an online mapping application. The geographic boundary files include states and counties from 1790 to the present and census tracts from 1910 to the present. -- Michele D. Shular Geosciences Librarian State University of New York at Buffalo Science and Engineering Library 224 Capen Hall Buffalo, NY 14260-1672 716-645-2947 ext.223 [log in to unmask] <mailto:[log in to unmask]>_