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You searched for: Publisher Environmental Systems Research Institute, Inc. (ESRI) Remove constraint Publisher: Environmental Systems Research Institute, Inc. (ESRI) Access Restricted Remove constraint Access: Restricted Place Illinois Remove constraint Place: Illinois
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1. Illinois Block Centroid Populations 2002

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

2. Illinois Block Groups 2002

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

3. Illinois Major Roads 2002

1999. Geographic Data Technology, Inc. (GDT). Illinois Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Illinois. Environmental Systems Research Institute, Inc. (ESRI).

4. Illinois Rivers 2002

1997. Geographic Data Technology, Inc. (GDT). Illinois Rivers represents streams and rivers within Illinois. Environmental Systems Research Institute, Inc. (ESRI).

5. Illinois Tracts 2002

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

6. Illinois ZIP Code Areas 2002

2001. Geographic Data Technology, Inc. (GDT). Illinois 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 ... Environmental Systems Research Institute, Inc. (ESRI).