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31. Alabama Major Roads

Line Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Alabama Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Alabama. Environmental Systems Research Institute, Inc. (ESRI).

32. Alabama Major Roads 2002

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

33. Alabama Tracts

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Alabama Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Alabama. Environmental Systems Research Institute, Inc. (ESRI).

34. Alabama ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Alabama 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).

35. Alaska Block Groups

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Alaska Block Groups represents the U.S. Census block groups of Alaska. Environmental Systems Research Institute, Inc. (ESRI).

36. Alaska Major Roads

Line Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Alaska Major Roads represents interstate, U.S., and state highways and other major thoroughfares within Alaska. Environmental Systems Research Institute, Inc. (ESRI).

37. Alaska Major Roads 2002

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

38. Alaska Tracts

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Alaska Tracts represents the U.S. Census tracts and block numbering areas (BNA) of Alaska. Environmental Systems Research Institute, Inc. (ESRI).

39. Alaska ZIP Code Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). Alaska 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).
1998. Aerospace Center (U.S.), United States. National Imagery and Mapping Agency., United States. Defense Mapping Agency., Harvard University. Center for Geographic Analysis., and East View Cartographic, Inc. This layer is a georeferenced raster image of the United States Aerospace Center's Operational Navigation Chart (ONC) 1:1,000,000 map series sheet ... Harvard Map Collection, Harvard College Library.