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1. 106th Congressional District Boundaries

1999. The 106th Congressional District Boundaries data set contains geographic information for the political entities of the Congressional districts of t...

2. Administrative District Boundaries, Germany, 1890s

1890. Administrative district boundary polygons for the German Empire as they existed in the 1890s. Source map was specifically drawn in 1894 and 1895. T...

3. Alaska Native Regional Corporations (ANRC) AK 2010

2010. This polygon data layer represents the 2010 TIGER/Line Census Alaska Native Regional Corporations (ANRC). The TIGER/Line Files are shapefiles and r...

4. American Indian Tribal Subdivisions (AITS) United States 2010

2010. This polygon data layer represents the 2010 TIGER/Line Census American Indian Tribal Subdivisions (AITS) for the United States. The TIGER/Line File...

5. American Indian/Alaska Native/Native Hawaiian Areas (AIANNH) United States 2010

2010. This polygon data layer represents the 2010 TIGER/Line Census American Indian/Alaska Native/Native Hawaiian areas for the United States. The TIGER/...

6. Bureau of Economic Analysis (BEA) Economic Areas

1998. The Bureau of Economic Analysis (BEA)database is a Geographic polygon dataset representing county based economic regions for the United States.

7. Burundi Administrative Boundaries

2002. Burundi administrative boundaries from The Multipurpose Africover Database for the Environmental Resources produced by the Food and Agriculture Org...

8. Burundi National Boundaries

2002. Burundi national boundaries from The Multipurpose Africover Database for the Environmental Resources produced by the Food and Agriculture Organizat...

9. Census 111th Congressional Districts United States 2010

2010. This polygon data layer represents the 2010 TIGER/Line Census 111th congressional districts for the United States. The TIGER/Line Files are shapefi...

10. Census Counties, 1990 - District of Columbia

1990. This datalayer displays the counties for the state, based on a ground condition of January 1, 1990. The primary legal divisions of most states are ...

11. Census Counties, 1995 - Delaware

1990. This datalayer displays the counties for the state of Delaware, based on a ground condition of January 1, 1990. The primary legal divisions of most...

12. Census County Divisions and Minor Civil Divisions, 1990 - Delaware

1990. This datalayer displays Census County Divisions and Minor Civil Divisions based on the 1990 Census for the state of Delaware. Census county divisio...

13. Census County Divisions and Minor Civil Divisions, 1995 - Delaware

1995. This datalayer displays Census County Divisions and Minor Civil Divisions for the entire state of Delaware. Census County Divisions (CCDs) are coun...

14. Census County Divisions and Minor Civil Divisions, 1995 - District of Columbia

1995. This datalayer displays Census County Divisions and Minor Civil Divisions for the entire District of Columbia. Census County Divisions (CCDs) are c...

15. Census Tracts, 1990 - Delaware

1990. This datalayer displays Census Tracts for the state of Delaware, 1990. Census tracts are small, relatively permanent statistical subdivisions of a ...

16. Census Tracts, 1990 - District of Columbia

1990. This datalayer displays Census Tracts for the District of Columbia, 1990. Census tracts are small, relatively permanent statistical subdivisions of...

17. Census Voting Districts, 1990 - Delaware

1990. This datalayer displays the Voting Districts for the state of Delaware for 1990. A Voting District (VTD) is the generic name for a variety of geogr...

18. Census Voting Districts, 1990 - District of Columbia

1990. This datalayer displays the Voting Districts for the District of Columbia for 1990. A Voting District (VTD) is the generic name for a variety of ge...

19. CHGIS Version 4 : 1820 Provinces

1820. polygon features showing the province boundaries in China for the year 1820 1820 Data CHGIS V4 contains spatial data for the entire territory clai...

20. CHGIS Version 4 : China 222 BCE to 1911 CE Prefectures

1900. polygon features showing a time series of prefecture boundaries in China for the period 222 BCE to 1911 CE Time Series Data CHGIS V4 contains tim...

21. CHGIS Version 4 : China 222 BCE to 1911 CE Provinces

1900. polygon features showing a time series of province boundaries in China for the period 222 BCE to 1911 CE Time Series Data CHGIS V4 contains time ...

22. CHGIS Version 4 : China 222 BCE to 1911 CE Regime Boundaries

1900. polygon features showing a time series of regime boundaries in China for the period 222 BCE to 1911 CE Time Series Data CHGIS V4 contains time se...

23. CHGIS Version 4 : CITAS 1990 China Districts

1990. Administrative Regions (Districts) in the People's Republic of China, 1990. 1990 CITAS Data China in Time and Space [CITAS] datasets have been repr...

24. CHGIS Version 4 : CITAS 1990 China Provinces

1990. Administrative Regions (Provinces) in the People's Republic of China, 1990. 1990 CITAS Data China in Time and Space [CITAS] datasets have been repr...

25. CHGIS Version 4 : CITAS 1997 China Provinces (GBK)

1990. Administrative Regions (Provinces) in the People's Republic of China, 1997. 1997 CITAS Provinces In 1997 the Province Level Municipality of Chongq...

26. City Boundary, Cambridge, Massachusetts, 2014

2014. This layer consists of one polygon representing the area and political boundary of the City of Cambridge.

27. Combined New England City and Town Areas (CNECTA) United States 2010

2010. This polygon data layer represents the 2010 TIGER/Line Census combined New England city and town areas for the United States. The TIGER/Line Files ...

28. Combined Statistical Areas (CSA) United States 2010

2010. This polygon data layer represents the 2010 TIGER/Line Census combined statistical areas for the United States. The TIGER/Line Files are shapefiles...

29. Congressional Districts, 1995 - Delaware

1995. The polygons represent Congressional Districts (104th Congress) for the entire state of Delaware. Congressional districts (CDs) are the 435 areas f...

30. Congressional Districts, 1995 - District of Columbia

1995. The polygons represent Congressional Districts (104th Congress) for the District of Columbia. Congressional districts (CDs) are the 435 areas fro...

31. Congressional Districts, 1995 - District of Columbia

1995. The polygons represent Congressional Districts (104th Congress) for the District of Columbia. Congressional districts (CDs) are the 435 areas fro...

32. Congressional Districts, Cambridge, Massachusetts, 2014

2014. This polygon layer contains the twp elective districts for congressmen in Cambridge in the United State Congress.

33. County Subdivisions United States 2010

2010. This polygon data layer represents the 2010 TIGER/Line census county subdivisions for the United States. The TIGER/Line Files are shapefiles and re...

34. Democratic Republic of the Congo Administrative Boundaries

2003. The Democratic Republic of the Congo administrative boundaries from The Multipurpose Africover Database for the Environmental Resources produced by...

35. Democratic Republic of the Congo National Boundaries

2003. The Democratic Republic of the Congo national boundaries from The Multipurpose Africover Database for the Environmental Resources produced by the F...

36. Egypt Administrative Boundaries

2002. Egypt administrative boundaries from The Multipurpose Africover Database for the Environmental Resources produced by the Food and Agriculture Organ...

37. Election Wards and Precincts, Cambridge, Massachusetts, 2011

2011. This polygon layer contains 33 wards and 11 precincts within the City of Cambridge. These were adjusted in 2011 from the 2010 U.S. Census.

38. Electoral District Boundaries, Germany, 1890-1912

1890. Electoral district boundary polygons for Germany as they existed 1890-1912. Boundary data digitized from the source map: "Konfessionsstruktur der W...

39. Eritrea Administrative Boundaries

2002. Eritrea administrative boundaries from The Multipurpose Africover Database for the Environmental Resources produced by the Food and Agriculture Org...

40. Eritrea National Boundaries

2002. Eritrea national boundaries from The Multipurpose Africover Database for the Environmental Resources produced by the Food and Agriculture Organizat...

41. ESRI Data Maps 2003 : U.S. 107th Congressional Districts

2001. U.S. 107th Congressional Districts represents political boundaries for the U.S. 107th Congressional Districts.

42. Germany Boundaries of Jointly Administered Areas, 1820, German Historical GIS

1820. These polygons represent small areas, which did not belong to one single state, but were jointly administered by two or more states.

43. Germany Boundaries of Jointly Administered Areas, 1826, German Historical GIS

1826. These polygons represent small areas, which did not belong to one single state, but were jointly administered by two or more states.

44. Germany Boundaries of Jointly Administered Areas, 1830, German Historical GIS

1830. These polygons represent small areas, which did not belong to one single state, but were jointly administered by two or more states.

45. Germany Boundaries of Jointly Administered Areas, 1834, German Historical GIS

1834. These polygons represent small areas, which did not belong to one single state, but were jointly administered by two or more states.

46. Germany Boundaries of Jointly Administered Areas, 1848, German Historical GIS

1848. These polygons represent small areas, which did not belong to one single state, but were jointly administered by two or more states.

47. Germany Boundaries of Jointly Administered Areas, 1850, German Historical GIS

1850. These polygons represent small areas, which did not belong to one single state, but were jointly administered by two or more states.

48. Germany Boundaries of Jointly Administered Areas, 1853, German Historical GIS

1853. These polygons represent small areas, which did not belong to one single state, but were jointly administered by two or more states.

49. Germany Boundaries of Jointly Administered Areas, 1863, German Historical GIS

1863. These polygons represent small areas, which did not belong to one single state, but were jointly administered by two or more states.

50. Germany Boundaries of Jointly Administered Areas, 1867, German Historical GIS

1867. These polygons represent small areas, which did not belong to one single state, but were jointly administered by two or more states.

51. Germany Boundaries of Jointly Administered Areas, 1871, German Historical GIS

1871. These polygons represent small areas, which did not belong to one single state, but were jointly administered by two or more states.

52. Germany Boundaries of Jointly Administered Areas, 1890, German Historical GIS

1890. These polygons represent small areas, which did not belong to one single state, but were jointly administered by two or more states.

53. Germany Boundaries of Jointly Administered Areas, 1914, German Historical GIS

1914. These polygons represent small areas, which did not belong to one single state, but were jointly administered by two or more states.

54. Germany Governmental District Boundaries, 1820, German Historical GIS

1820. These polygons represent governmental districts (Regierungsbezirke) or comparable units existing in several of the sovereign states of the German C...

55. Germany Governmental District Boundaries, 1826, German Historical GIS

1826. These polygons represent 72 governmental districts (Regierungsbezirke) existing in several of the sovereign states of the German Confederation (the...

56. Germany Governmental District Boundaries, 1830, German Historical GIS

1830. These polygons represent 72 governmental districts (Regierungsbezirke) existing in several of the sovereign states of the German Confederation (the...

57. Germany Governmental District Boundaries, 1834, German Historical GIS

1834. These polygons represent 68 governmental districts (Regierungsbezirke) existing in several of the sovereign states of the German Confederation (the...

58. Germany Governmental District Boundaries, 1848, German Historical GIS

1848. These polygons represent 74 governmental districts (Regierungsbezirke) existing in several of the sovereign states of the German Confederation (the...

59. Germany Governmental District Boundaries, 1850, German Historical GIS

1850. These polygons represent 71 governmental districts (Regierungsbezirke) existing in several of the sovereign states of the German Confederation (the...

60. Germany Governmental District Boundaries, 1853, German Historical GIS

1853. These polygons represent 66 governmental districts (Regierungsbezirke) existing in several of the sovereign states of the German Confederation (the...

61. Germany Governmental District Boundaries, 1863, German Historical GIS

1863. These polygons represent 66 governmental districts (Regierungsbezirke) existing in several of the sovereign states of the German Confederation (the...

62. Germany Governmental District Boundaries, 1867, German Historical GIS

1867. These polygons represent 66 governmental districts (Regierungsbezirke) existing in several of the sovereign states of the North German Federation (...

63. Germany Governmental District Boundaries, 1871, German Historical GIS

1871. These polygons represent 67 governmental districts (Regierungsbezirke) existing in several of the sovereign states of the German Empire (Deutsches ...

64. Germany Governmental District Boundaries, 1890, German Historical GIS

1890. These polygons represent 67 governmental districts (Regierungsbezirke) existing in several of the sovereign states of the German Empire (Deutsches ...

65. Germany Governmental District Boundaries, 1914, German Historical GIS

1914. These polygons represent 69 governmental districts (Regierungsbezirke) existing in several of the sovereign states of the German Empire (Deutsches ...

66. Germany Provincial Boundaries, 1820, German Historical GIS

1820. These polygons represent 10 provinces existing in the sovereign states of the German Confederation (the Deutscher Bund) in 1820, which were located...

67. Germany Provincial Boundaries, 1826, German Historical GIS

1826. These polygons represent 9 provinces existing in the sovereign states of the German Confederation (the Deutscher Bund) in 1826, which were located ...

68. Germany Provincial Boundaries, 1830, German Historical GIS

1830. These polygons represent 8 provinces existing in the sovereign states of the German Confederation (the Deutscher Bund) in 1826, which were located ...

69. Germany Provincial Boundaries, 1834, German Historical GIS

1834. These polygons represent 8 provinces existing in the sovereign states of the German Confederation (the Deutscher Bund) in 1834, which were located ...

70. Germany Provincial Boundaries, 1848, German Historical GIS

1848. These polygons represent 11 provinces existing in the sovereign states of the German Confederation (the Deutscher Bund) in 1848, which were located...

71. Germany Provincial Boundaries, 1850, German Historical GIS

1850. These polygons represent 11 provinces existing in the sovereign states of the German Confederation (the Deutscher Bund) in 1850, which were located...

72. Germany Provincial Boundaries, 1853, German Historical GIS

1853. These polygons represent 9 provinces existing in the sovereign states of the German Confederation (the Deutscher Bund) in 1853, which were located ...

73. Germany Provincial Boundaries, 1863, German Historical GIS

1863. These polygons represent 9 provinces existing in the sovereign states of the German Confederation (the Deutscher Bund) in 1850, which were located ...

74. Germany Provincial Boundaries, 1867, German Historical GIS

1867. These polygons represent 12 provinces existing within the semi-sovereign states of the North German Federation (the Norddeutscher Bund) in 1867, wh...

75. Germany Provincial Boundaries, 1871, German Historical GIS

1871. These polygons represent 12 provinces existing in the sovereign states of the German Confederation (the Deutscher Bund) in 1867, which were located...

76. Germany Provincial Boundaries, 1890, German Historical GIS

1890. These polygons represent 14 provinces existing in the German Empire in 1890. Since only Prussia used provinces as administrative units, the provinc...

77. Germany Provincial Boundaries, 1914, German Historical GIS

1914. These polygons represent 14 provinces existing in the German Empire in 1914. Since only Prussia used provinces as administrative units, the provinc...

78. Germany State Boundaries, 1820, German Historical GIS

1820. The 41 polygons represent 38 (of 41) sovereign states of the German Confederation (the Deutscher Bund) which in 1820 were located within the (futur...

79. Germany State Boundaries, 1826, German Historical GIS

1826. Between 1821 and 1826 the political map of "core Germany" changed in several cases, but all changes were located in the realm of the petty states o...

80. Germany State Boundaries, 1830, German Historical GIS

1830. No changes at the level of state boundaries, but there is major change at the level of provincial boundaries of Prussia. For further information, s...

81. Germany State Boundaries, 1834, German Historical GIS

1834. In 1834 the Principality of Lichtenberg, located in the western part of "core Germany" and ruled by Saxe Coburg and Gotha since 1826, was ceded to ...

82. Germany State Boundaries, 1848, German Historical GIS

1848. In 1848 revolution swept through Europe. The dataset shows the German States and territories in this year of revolution. The eastern boundary of th...

83. Germany State Boundaries, 1850, German Historical GIS

1850. In the wake of the revolutions of 1848, the catholic line of the House of Hohenzollern abdicated. The duchies of Hohenzollern-Sigmaringen and Hohen...

84. Germany State Boundaries, 1853, German Historical GIS

1853. In 1853 the territories of Anhalt-Dessau and Anhalt-Kothen are joined under Dessau-rule to become the Duchy of Anhalt-Dessau-Kothen. The eastern bo...

85. Germany State Boundaries, 1863, German Historical GIS

1863. In the wake of the revolutions of 1848, the catholic line of the House of Hohenzollern abdicated. The duchies of Hohenzollern Sigmaringen and Hohen...

86. Germany State Boundaries, 1867, German Historical GIS

1867. The German War of 1866 and the subsequent dissolution of the German Confederation led to major changes in the political map of "core Germany" The d...

87. Germany State Boundaries, 1871, German Historical GIS

1871. In the wake of the Franco-Prussian War of 1870/71 the German Empire (Deutsches Reich) was founded in 1871. It is a more centralized federated state...

88. Germany State Boundaries, 1890, German Historical GIS

1890. In 1890 the island of Heligoland (German: Helgoland), located in the German Bay (Deutsche Bucht) of the North Sea, is ceded to Germany by Britain. ...

89. Germany State Boundaries, 1914, German Historical GIS

1914. The datasets pertains to the map of Germany on the eve of the First World War (July 1914). It is identical to 1890 as far as national boundaries an...

90. Kenya Administrative Boundaries

2002. Kenya administrative boundaries from The Multipurpose Africover Database for the Environmental Resources produced by the Food and Agriculture Organ...

91. Kenya National Boundaries

2002. Kenya national boundaries from The Multipurpose Africover Database for the Environmental Resources produced by the Food and Agriculture Organizatio...

92. MassGIS 2000 Massachusetts Town Boundaries (March 1991)

1991. The political boundary datalayer is a 1:25,000 scale datalayer containing the boundaries of the 351 communities in Massachusetts. The seaward bound...

93. Metropolitan Divisions United States 2010

2010. This polygon data layer represents the 2010 TIGER/Line census metropolitan divisions for the United States. The TIGER/Line Files are shapefiles and...

94. Neighborhood Conservation Districts, Cambridge, Massachusetts, 2000 (pub. 2014)

2000. This layer contains five polygons representing the city's Neighborhood Conservation Districts (NCDs). Conservation districts are groups of building...

95. Neighborhoods, Cambridge, Massachusetts, 2014

2014. Created for the establishment of neighborhood planning groups, administration of Community Development Block Group )(CDBG) programs, Community Deve...

96. New England City and Town Area (NECTA) Divisions United States 2010

2010. This polygon data layer represents the 2010 TIGER/Line Census New England city and town area divisions for the United States. The TIGER/Line Files ...

97. New England City and Town Areas (NECTA) United States 2010

2010. This polygon data layer represents the 2010 TIGER/Line Census New England city and town areas for the United States. The TIGER/Line Files are shape...

98. Rwanda Administrative Boundaries

2002. Rwanda administrative boundaries from The Multipurpose Africover Database for the Environmental Resources produced by the Food and Agriculture Orga...

99. Rwanda National Boundaries

2002. Rwanda national boundaries from The Multipurpose Africover Database for the Environmental Resources produced by the Food and Agriculture Organizati...

100. SEDAC 1980 Census Blocks

1980. This dataset contains the census blocks from the United States Decennial Census of 1980. The data were derived from the TigerLine 1992 release. In ...