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1. Texas Block Centroid Populations 2002

2000. Environmental Systems Research Institute, Inc. (ESRI). Texas Block Centroid Populations represents the population of the U.S. Census block centroids for Texas. U.S. Census blocks are the smallest geogr... Environmental Systems Research Institute, Inc. (ESRI).

2. Texas Block Groups 2002

2002. Geographic Data Technology, Inc. (GDT). Texas Block Groups represents the U.S. Census block groups of Texas. Environmental Systems Research Institute, Inc. (ESRI).

3. Texas Tracts 2002

2002. Geographic Data Technology, Inc. (GDT). Texas Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Texas. Environmental Systems Research Institute, Inc. (ESRI).

4. Texas ZIP Code Areas 2002

2001. Geographic Data Technology, Inc. (GDT). Texas ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit of a f... Environmental Systems Research Institute, Inc. (ESRI).