2010 extracts containing geographic and cartographic information from the Census Bureau's MAF/TIGER (Master Address File/Topologically Integrated Geographic Encoding and Referencing) database. These files support the 2010 Census Redistricting Data (P. L. 94-171) release. The files provide the digital map base for a Geographic Information System or mapping software. All legal boundaries and names are as of January 1, 2010. The boundaries shown are for Census Bureau statistical data collection and tabulation purposes only.