GeoData @ UCB

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1. County Boundaries of the United States, 1990

1990. Geological Survey (U.S.). This polygon shapefile portrays the 1990 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer ... Geological Survey (U.S.).

2. Spread of Africanized Honey Bees in the United States, 1990-2005

1990. United States. Agricultural Research Service. This polygon shapefile portrays the spread, by year, of the Africanized honey bee (AHB) in the United States, Puerto Rico, and the U.S. Virgin Isla... National Atlas of the United States.

3. MassGIS 2000 Cape Cod Endangered Plant Habitat (1990)

1990. Cape Cod Commission. This data layer contains Cape Cod's endangered plant habitats. Office of Geographic and Environmental Information (MassGIS).

4. Census County Divisions and Minor Civil Divisions, 1990 - Massachusetts

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... U.S. Department of Commerce, Bureau of the Census.

5. Census Places, 1990 - Massachusetts

1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays the Census Places for the state based on the ground condition of January 1, 1990. Places, for the reporting of decennial ce... U.S. Department of Commerce, Bureau of the Census.

6. UA Census American Indian Reservations, 1990 - Massachusetts

1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer depicts feature location and other associated data for American Indian tribal entities for those entities established on January 1, ... U.S. Department of Commerce, Bureau of the Census.

7. UA Census Block Groups, 1990 - Massachusetts

1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. The polygons represent U.S. Census Block Groups for the state based on the ground condition of January 1, 1990. Block Groups (BGs) are clusters of ... U.S. Department of Commerce, Bureau of the Census.

8. UA Census Blocks, 1990 - Massachusetts

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. Census blocks are statistical areas bounded on all sides by visib... U.S. Department of Commerce, Bureau of the Census.

9. UA Census Places, 1990 - Massachusetts

1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays the Census Places for the state based on the ground condition of January 1, 1990. Places, for the reporting of decennial ce... U.S. Department of Commerce, Bureau of the Census.

10. UA Census Tracts, 1990 - Massachusetts

1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays Census Tracts for the state, based on entity boundaries established on January 1, 1990. Census tracts are small, relativel... U.S. Department of Commerce, Bureau of the Census.

11. UA Census Urbanized Areas, 1990 - Massachusetts

1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays the Urbanized Areas (UAs) for the state based on a January 1, 1990 ground condition. Note that the Census Bureau made signi... U.S. Department of Commerce, Bureau of the Census.

12. Census Counties, 1990 - Massachusetts

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 ... U.S. Department of Commerce, Bureau of the Census, Geography Division.

13. UA Census Congressional Districts, 1990 - Massachusetts

1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. The polygons represent Congressional Districts for the state based on the boundaries established on January 1, 1990. Congressional districts are th... U.S. Department of Commerce, Bureau of the Census, Geography Division.

14. UA Census Counties, 1990 - Massachusetts

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 ... U.S. Department of Commerce, Bureau of the Census, Geography Division.

15. UA Census County Subdivisions, 1990 - Massachusetts

1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays County Subdivisions (Minor Civil Divisions) for the state, based on legal and statistical entities established on January 1... U.S. Department of Commerce, Bureau of the Census, Geography Division.

16. Massachusetts 4th Grade MEAP Scores

1990. Harvard Map Collection. This datalayer displays average 4th grade MEAP (Massachusetts Educational Assessment Program) scores for towns in the Metropolitan Area Planning Co...

17. Massachusetts Employment 1990 and 1994

1990. Harvard Map Collection. This datalayer displays a polygon coverage for Massachusetts towns with associated data on change in employment between 1990 and 1994. This dataset...

18. Massachusetts Major Drainage Basins

1990. Harvard Map Collection. This datalayer is a polygon coverage displaying Major Drainage Basins throughout Massachusetts. The data here were originally produced by MassGIS. ...

19. Massachusetts Major Watersheds

1990. Harvard Map Collection. This datalayer is a polygon coverage displaying Major Watersheds throughout Massachusetts. The data here were originally produced by MassGIS. Mass...

20. Massachusetts Reported Cases of Sexually Transmitted Diseases, 1990 - 2000

1990. Harvard Map Collection. This datalayer is a polygon coverage displaying Massachusetts towns and associated tabular data on rates of three sexually transmitted diseases (ch...

21. Massachusetts School Enrollment by Race

1990. Harvard Map Collection. This datalayer displays a polygon coverage of Massachusetts towns with associated tabular data on the racial/ethnic characteristics of enrolled stu...