-------- Original Message --------
Subject:        National Historical Geographic Information System
Date:   Thu, 14 Jun 2007 10:56:09 -0400
From:   Michele Shular <[log in to unmask]>
To:     maps <[log in to unmask]>, GIS for Libraries
<[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>
(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/>,
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]