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2. Administrative Units with Populations, Pakistan, 1998

Polygon Stanford University Restricted content
1998. Asian Spatial Information and Analysis Network (Australia). Australian Centre and Griffith University. This polygon shapefile contains the administrative unit boundaries for Pakistan in 1998. Administrative units consist of 4 provinces, one federal c... Asian Spatial Information and Analysis Network (Australia). Australian Centre.

3. Alabama Block Groups

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

4. 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).

5. 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).

6. 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).

7. Arizona Block Groups

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

8. Arizona Tracts

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

9. Arkansas Block Groups

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

10. Arkansas Tracts

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

11. Atlanta Regional Commission Georgia Congressional Districts

Polygon Harvard University Restricted content
1999. Atlanta Regional Commission (ARC). This polygon datalayer depicts boundary polygons depicting U.S. Congressional Districts in the state of Georgia as drawn by the United States Distr...

12. Atlanta Regional Commission Georgia State House Districts

Polygon Harvard University Restricted content
1998. Atlanta Regional Commission (ARC). This polygon datalayer depicts the State of Georgia's Representative District boundaries as adopted by the Georgia General Assembly in 1998. Used t...

13. Atlanta Regional Commission Georgia State Senate Districts

Polygon Harvard University Restricted content
1999. Atlanta Regional Commission (ARC). This polygon datalayer depicts the State of Georgia's Senatorial Districts as adopted by the Georgia General Assembly in 1999. Used to delineate vo...

14. California Block Groups

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

15. California Tracts

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

16. Colorado Block Groups

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

17. Colorado Tracts

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

18. Connecticut Block Groups

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

19. Connecticut Tracts

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

20. Delaware Block Groups

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

21. Delaware Tracts

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

22. District of Columbia Block Groups

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

23. District of Columbia Tracts

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

24. Districts with Census Populations, Pakistan, 1998

Polygon Stanford University Restricted content
1998. Asian Spatial Information and Analysis Network (Australia). Australian Centre and Griffith University. This polygon shapefile contains the district boundaries for Pakistan in 1998. These are the thrid level administrative divisions (ADM3). Districts ... Asian Spatial Information and Analysis Network (Australia). Australian Centre.

25. Divisions, Pakistan, 1998

Polygon Stanford University Restricted content
1998. Asian Spatial Information and Analysis Network (Australia). Australian Centre and Griffith University. This polygon shapefile contains the division boundaries for Pakistan in 1998. Divisions were the third tier of government in Pakistan, between the ... Asian Spatial Information and Analysis Network (Australia). Australian Centre.

26. Florida Block Groups

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

27. Florida Tracts

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

28. Georgia Block Groups

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

29. Georgia Tracts

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

30. Hawaii Block Groups

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

31. Hawaii Tracts

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

32. HUSCO 1790-1999

Collection Stanford University Public content
1999. Earle, Carville, Heppen, John, Otterstrom, Samuel, and Louisiana State University (Baton Rouge, La.) Department of Geography and Anthropology. "Contains ArcView shapefile format county boundary files for the contiguous United States from each decade from 1790 through 1990 (also 1999). File... Geoscience.

33. Idaho Block Groups

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

34. Idaho Tracts

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

35. Illinois Block Groups

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

36. Illinois Tracts

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

37. Indiana Block Groups

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

38. Indiana Tracts

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

39. Iowa Block Groups

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

40. Iowa Tracts

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

41. Kansas Block Groups

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

42. Kansas Tracts

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

43. Kentucky Block Groups

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

44. Kentucky Tracts

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

45. Louisiana Block Groups

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

46. Louisiana Tracts

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

47. Maine Block Groups

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

48. Maine Tracts

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

49. Maryland Block Groups

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

50. Maryland Tracts

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

51. Massachusetts Block Groups

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

52. Massachusetts Tracts

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

53. Michigan Block Groups

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

54. Michigan Tracts

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

55. Minnesota Block Groups

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

56. Minnesota Tracts

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

57. Mississippi Block Groups

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

58. Mississippi Tracts

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

59. Missouri Block Groups

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

60. Missouri Tracts

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

61. Montana Block Groups

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

62. Montana Tracts

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

63. Nebraska Block Groups

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

64. Nebraska Tracts

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

65. Nevada Block Groups

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

66. Nevada Tracts

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

67. New Hampshire Block Groups

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

68. New Hampshire Tracts

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

69. New Jersey Block Groups

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

70. New Jersey Tracts

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

71. New Mexico Block Groups

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

72. New Mexico Tracts

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

73. New York Block Groups

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

74. New York Tracts

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

75. North Carolina Block Groups

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

76. North Carolina Tracts

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

77. North Dakota Block Groups

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

78. North Dakota Tracts

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

79. Ohio Block Groups

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

80. Ohio Tracts

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

81. Oklahoma Block Groups

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

82. Oklahoma Tracts

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

83. Oregon Block Groups

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

84. Oregon Tracts

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

85. Pennsylvania Block Groups

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

86. Pennsylvania Tracts

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

87. Rhode Island Block Groups

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

88. Rhode Island Tracts

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

89. South Carolina Block Groups

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

90. South Carolina Tracts

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

91. South Dakota Block Groups

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

92. South Dakota Tracts

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

93. Tennessee Block Groups

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

94. Tennessee Tracts

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

95. Texas Block Groups

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

96. Texas Tracts

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

97. U.S. Populated Place Areas

Polygon Harvard University Restricted content
1999. Geographic Data Technology, Inc. (GDT), Harvard Geospatial Library, and Environmental Systems Research Institute, Inc. (ESRI). U.S. Populated Place Areas represents populated place areas within United States identified by the U.S. Bureau of the Census. Environmental Systems Research Institute, Inc. (ESRI).

98. U.S. Populated Place Areas 2000

Polygon Princeton University Restricted content
1999. Geographic Data Technology, Inc. (GDT). U.S. Populated Place Areas represents populated place areas within United States identified by the U.S. Bureau of the Census. Environmental Systems Research Institute, Inc. (ESRI).

99. U.S. Tracts

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

100. U.S. Tracts 2000

Polygon Princeton University Restricted content
1999. Geographic Data Technology, Inc. (GDT). U.S. Tracts represents the U.S. Census tracts and block numbering areas (BNA) of the United States in the fifty states and the District of Columbia. Environmental Systems Research Institute, Inc. (ESRI).