-------- Original Message --------
Subject:        Census Tract Shapefiles
Date:   Thu, 8 Mar 2007 12:06:08 -0800
From:   Deckelbaum, David <[log in to unmask]>
To:     <[log in to unmask]>



While using Social Explorer (www.socialexplorer.com
<http://www.socialexplorer.com>) I noticed on their website they have a
link to  the National Historical Geographic Information  System
(http://www.nhgis.org/) where you can download tract boundary files and
data from the 1940 census onward.

David

David Deckelbaum
Librarian for Cartographic Resources, Geography, and Urban Planning
YRL Collections, Research and Instructional Services
Young Research Library, Room A4510
Phone 310 206 6793   Fax  310 825 6795