GeoData @ UCB

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1. Census Blocks, 1990 - Delaware

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

2. Census Counties, 1995 - Delaware

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.

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

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.

4. Census Place, 1990 - Delaware

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

5. Census Tracts, 1990 - Delaware

1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. This datalayer displays Census Tracts for the state of Delaware, 1990. Census tracts are small, relatively permanent statistical subdivisions of a ... U.S. Department of Commerce, Bureau of the Census, Geography Division.

6. Census Voting Districts, 1990 - Delaware

1990. U.S. Department of Commerce, Bureau of the Census, Geography Division. 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 geog... U.S. Department of Commerce, Bureau of the Census, Geography Division.

7. 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.).

8. 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.

9. UA Census Block Groups, 1990 - Delaware

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.

10. UA Census Blocks, 1990 - Delaware

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.

11. UA Census Congressional Districts, 1990 - Delaware

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.

12. UA Census Counties, 1990 - Delaware

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 County Subdivisions, 1990 - Delaware

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

14. UA Census Places, 1990 - Delaware

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.

15. UA Census Tracts, 1990 - Delaware

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.

16. UA Census Urbanized Areas, 1990 - Delaware

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.