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2. 1990 Census Roads - San Francisco Bay Area, California

Line Stanford University Public content
1990. California. Metropolitan Transportation Commission. This line shapefile contains primary and secondary roads for the San Francosco Bay Area in California. Primary roads are generally divided, limited... California. Metropolitan Transportation Commission.

3. 1990 County Boundaries of China with Population Census Data, Part 1

Polygon New York University Restricted content
1990. This polygon shapefile represents the 1990 County Boundaries for China. The layer includes population census data and was primarily based on the "T... Beijing Hua tong ren shi chang xin xi you xian ze ren gong si.

4. 1990 County Boundaries of China with Population Census Data, Part 2

Polygon New York University Restricted content
1990. This polygon shapefile represents the 1990 County Boundaries for China. The layer includes population census data and was primarily based on the "T... Beijing Hua tong ren shi chang xin xi you xian ze ren gong si.

5. 1991 Block Boundaries of India

Polygon New York University Restricted content
1991. This layer is a polygon theme representing block boundaries of India for 1991 and includes socio-demographic Census attribute data such as total po... ML InfoMap (Firm).

6. 1991 District Boundaries of India

Polygon New York University Restricted content
1991. This layer is a polygon theme representing district boundaries of India for 1991. Includes district socio-demographic Census attribute data such as... ML InfoMap (Firm).

7. 1991 State Boundaries of India

Polygon New York University Restricted content
1991. This layer is a polygon theme representing state boundaries of India for 1991 and includes socio-demographic Census attribute data such as total po... ML InfoMap (Firm).

8. 1991 Sub District Boundaries of India

Polygon New York University Restricted content
1991. This layer is a polygon theme representing sub district boundaries of India for 1991. Includes district socio-demographic Census attribute data suc... ML InfoMap (Firm).

9. Alabama Block Centroid Populations

Point Harvard University Restricted content
1990. Environmental Systems Research Institute, Inc. (ESRI) and Harvard Geospatial Library. Alabama Block Centroid Populations represents the population of the U.S. Census block centroids for Alabama. U.S. Census blocks are the smallest ge... Environmental Systems Research Institute, Inc. (ESRI).

10. Alaska Block Centroid Populations

Point Harvard University Restricted content
1990. Environmental Systems Research Institute, Inc. (ESRI) and Harvard Geospatial Library. Alaska Block Centroid Populations represents the population of the U.S. Census block centroids for Alaska. U.S. Census blocks are the smallest geog... Environmental Systems Research Institute, Inc. (ESRI).

14. Arizona Block Centroid Populations

Point Harvard University Restricted content
1990. Environmental Systems Research Institute, Inc. (ESRI) and Harvard Geospatial Library. Arizona Block Centroid Populations represents the population of the U.S. Census block centroids for Arizona. U.S. Census blocks are the smallest ge... Environmental Systems Research Institute, Inc. (ESRI).

15. Arkansas Block Centroid Populations

Point Harvard University Restricted content
1990. Environmental Systems Research Institute, Inc. (ESRI) and Harvard Geospatial Library. Arkansas Block Centroid Populations represents the population of the U.S. Census block centroids for Arkansas. U.S. Census blocks are the smallest ... Environmental Systems Research Institute, Inc. (ESRI).

20. Atlanta Regional Commission 1990 Census Tracts

Polygon Harvard University Restricted content
1990. Atlanta Regional Commission (ARC). This polygon datalayer depicts 1990 census tract level boundaries with associated census attribute data for the Atlanta Regional Commission's (ARC)...

21. Atlanta Regional Commission County Boundaries

Polygon Harvard University Restricted content
1990. Atlanta Regional Commission (ARC). This polygon datalayer represents the boundaries of the Atlanta Regional Commission's 10 counties, or those Georgia counties which comprise the gre...

23. Atlanta Regional Commission Georgia Counties

Polygon Harvard University Restricted content
1990. Atlanta Regional Commission (ARC). This polygon datalayer depicts county boundaries for Georgia. ARC documentation states: 'Please note that some Georgia county boundaries, which are...

24. Atlanta Regional Commission Metropolitan Statistical Areas

Polygon Harvard University Restricted content
1990. Atlanta Regional Commission (ARC). This polygon datalayer depicts the metropolitan statistical areas with associated attribute data for the Atlanta Regional Commission's (ARC) 10-cou...

25. Atlanta Regional Commission MSA Census Tracts

Polygon Harvard University Restricted content
1990. Atlanta Regional Commission (ARC). This polygon datalayer depicts Census Tracts, with associated attribute data, for tracts located within the 20 county Metropolitan Statistical Area...

26. Atlanta Regional Commission Railroads

Line Harvard University Restricted content
1990. Atlanta Regional Commission (ARC). This polygon datalayer depicts regionally significant rail routes and associated attribute data for the Atlanta Regional Commission's (ARC) 10-coun...

27. Atlanta Regional Commission Region Boundary

Polygon Harvard University Restricted content
1990. Atlanta Regional Commission (ARC). This datalayer consists of a single polygon which depicts the outer boundaries of the Atlanta Regional Commission's 10 counties, or those Georgia c...

29. California Block Centroid Populations

Point Harvard University Restricted content
1990. Environmental Systems Research Institute, Inc. (ESRI) and Harvard Geospatial Library. California Block Centroid Populations represents the population of the U.S. Census block centroids for California. U.S. Census blocks are the small... Environmental Systems Research Institute, Inc. (ESRI).
1990. California. Metropolitan Transportation Commission. This polygon shapefile contains regional traffic analysis zones (RTAZ) for the San Francisco Bay Area in California. These data have ben clipped to... California. Metropolitan Transportation Commission.

31. Census 1990 Block Groups, Cambridge, Massachusetts

Polygon Harvard University Restricted content
1990. Cambridge (Mass.). Geographic Information Systems and U.S. Department of Commerce, Bureau of the Census, Geography Division. This polygon layer contains the boundaries of the 94 block groups in the City of Cambridge for the 1990 US Census. Data from US Bureau of the Censu... City of Cambridge, GIS Dept.

32. Census 1990 Blocks, Cambridge, Massachusetts

Polygon Harvard University Restricted content
1990. Cambridge (Mass.). Geographic Information Systems and U.S. Department of Commerce, Bureau of the Census, Geography Division. This polygon layer contains the 802 census blocks that make up the City of Cambridge for the 1990 Census. Data from the 1990 US Census. Adjusted Ce... City of Cambridge, GIS Dept.

33. Census 1990 Tracts, Cambridge, Massachusetts

Polygon Harvard University Restricted content
1990. Cambridge (Mass.). Geographic Information Systems and U.S. Department of Commerce, Bureau of the Census, Geography Division. This polygon layer contains the boundaries of the 30 census tracts that make up the City of Cambridge for the 1990 Census. Data from US Bureau of t... City of Cambridge, GIS Dept.

34. Census Block Groups - City of Newton

Polygon Harvard University Restricted content
1990. City of Newton GIS. A polygon coverage of the boundaries of the U.S. Census Bureau's block groups and some appended demographic information for Newton, Massachusetts. ...

35. Census Block Groups, New York, 1990

Polygon Cornell University Public content
1990. U.S. Census Bureau. CUGIR, The Cornell University Geospatial Information Repository, using US Department of Commerce, Bureau of the Census data, developed the GIS data...

36. Census Blocks, 1990 - Delaware

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. The polygons in this datalayer represent U.S. Census Blocks for the entire state of Delaware. Census blocks are areas bounded on all sides by visib... U.S. Department of Commerce, Bureau of the Census, Geography Division.

37. Census Blocks, 1990 - District of Columbia

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. The polygons in this datalayer represent U.S. Census Blocks for the entire District of Columbia. Census blocks are areas bounded on all sides by vi...

38. Census Blocks, 1990 - Pennsylvania

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. The polygons in this datalayer represent U.S. Census Blocks for the entire state of Pennsylvania. Census blocks are areas bounded on all sides by v... U.S. Department of Commerce, Bureau of the Census, Geography Division.

39. Census Blocks, New York, 1990

Polygon Cornell University Public content
1990. U.S. Census Bureau. CUGIR, the Cornell University Geospatial Information Repository, using US Department of Commerce, Bureau of the Census data, developed the GIS data...

40. Census Counties, 1990 - Alaska

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays the counties of the state of Alaska, based on a ground condition of January 1, 1990. The primary legal divisions of most st...

41. Census Counties, 1990 - Arkansas

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays the counties of the state of Arkansas, based on a ground condition of January 1, 1990. The primary legal divisions of most ...

42. Census Counties, 1990 - California

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays the counties of California, based on a ground condition of January 1, 1990. The primary legal divisions of most states are ...

43. Census Counties, 1990 - Colorado

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

44. Census Counties, 1990 - District of Columbia

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

45. Census Counties, 1990 - Florida

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

46. Census Counties, 1990 - Georgia

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

47. Census Counties, 1990 - Hawaii

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

48. Census Counties, 1990 - Idaho

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

49. Census Counties, 1990 - Illinois

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

50. Census Counties, 1990 - Indiana

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

51. Census Counties, 1990 - Iowa

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

52. Census Counties, 1990 - Kansas

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

53. Census Counties, 1990 - Kentucky

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

54. Census Counties, 1990 - Louisiana

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

55. Census Counties, 1990 - Maine

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

56. Census Counties, 1990 - Maryland

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

57. Census Counties, 1990 - Massachusetts

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

58. Census Counties, 1990 - Michigan

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

59. Census Counties, 1990 - Minnesota

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

60. Census Counties, 1990 - Mississippi

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

61. Census Counties, 1990 - Missouri

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

62. Census Counties, 1990 - Montana

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

63. Census Counties, 1990 - Nebraska

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

64. Census Counties, 1990 - Nevada

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

65. Census Counties, 1990 - New Hampshire

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

66. Census Counties, 1990 - New Jersey

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

67. Census Counties, 1990 - New Mexico

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

68. Census Counties, 1990 - New York (State)

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

69. Census Counties, 1990 - North Carolina

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

70. Census Counties, 1990 - North Dakota

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

71. Census Counties, 1990 - Ohio

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

72. Census Counties, 1990 - Oklahoma

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

73. Census Counties, 1990 - Oregon

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

74. Census Counties, 1990 - Pennsylvania

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

75. Census Counties, 1990 - Rhode Island

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

76. Census Counties, 1990 - South Carolina

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

77. Census Counties, 1990 - South Dakota

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

78. Census Counties, 1990 - Tennessee

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

79. Census Counties, 1990 - Texas

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

80. Census Counties, 1990 - Utah

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

81. Census Counties, 1990 - Vermont

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

82. Census Counties, 1990 - Virginia

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

83. Census Counties, 1990 - Washington (State)

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

84. Census Counties, 1990 - West Virginia

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

85. Census Counties, 1990 - Wisconsin

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

86. Census Counties, 1990 - Wyoming

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

87. Census Counties, 1990- Alabama

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays the counties of the state of Alabama, based on a ground condition of January 1, 1990. The primary legal divisions of most s...

88. Census Counties, 1995 - Arizona

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays the counties of Arizona, based on a ground condition of January 1, 1990. The primary legal divisions of most states are ter...

89. Census Counties, 1995 - Connecticut

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 ...

90. Census Counties, 1995 - Delaware

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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... U.S. Department of Commerce, Bureau of the Census, Geography Division.

91. Census County Boundaries, New York, 1990

Polygon Cornell University Public content
1990. U.S. Census Bureau. CUGIR, the Cornell University Geospatial Information Repository, using US Department of Commerce, Bureau of the Census data, developed the GIS data...

92. Census County Divisions, 1990 - Colorado

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays Census County Divisions and Minor Civil Divisions based on the 1990 Census. Census county divisions (CCDs) are county subdi...

93. Census County Divisions and Minor Civil Divisions, 1990 - Alabama

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays the Census County Divisions and Minor Civil Divisions of Alabama based on the 1990 Census. Census county divisions (CCDs) a...

94. Census County Divisions and Minor Civil Divisions, 1990 - Alaska

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays the Census County Divisions and Minor Civil Divisions of Alaska. In Alaska, which has no counties, the statistically equiva...

95. Census County Divisions and Minor Civil Divisions, 1990 - Arizona

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays the Census County Divisions and Minor Civil Divisions of Arizona based on the 1990 Census. Census county divisions (CCDs) a...

96. Census County Divisions and Minor Civil Divisions, 1990 - Arkansas

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays the Census County Divisions and Minor Civil Divisions of Arkansas based on the 1990 Census. Census county divisions (CCDs) ...

97. Census County Divisions and Minor Civil Divisions, 1990 - California

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays the Census County Divisions and Minor Civil Divisions of California based on the 1990 Census. Census county divisions (CCDs...

98. Census County Divisions and Minor Civil Divisions, 1990 - Connecticut

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays Census County Divisions and Minor Civil Divisions based on the 1990 Census. Census county divisions (CCDs) are county subdi...

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

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays Census County Divisions and Minor Civil Divisions based on the 1990 Census for the state of Delaware. Census county divisio... U.S. Department of Commerce, Bureau of the Census, Geography Division.

100. Census County Divisions and Minor Civil Divisions, 1990 - Florida

Polygon Harvard University Public content
1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays Census County Divisions and Minor Civil Divisions based on the 1990 Census. Census county divisions (CCDs) are county subdi...