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1. Georgia Block Centroid Populations 2002

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

2. Georgia Block Groups 2002

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

3. Georgia Major Roads 2002

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

4. Georgia Rivers 2002

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

5. Georgia Tracts 2002

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

6. Georgia ZIP Code Areas 2002

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

7. Historical United States County Boundaries, 1790

1790. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1790. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.

8. Historical United States County Boundaries, 1800

1800. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1800. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.

9. Historical United States County Boundaries, 1810

1810. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1810. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.

10. Historical United States County Boundaries, 1820

1820. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1820. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.