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11. California Urbanized Areas 1990

2003. MTC. Urban areas in California as defined by the United States Census: http://www.census.gov/geo/www/cob/ua_metadata.html. California. Metropolitan Transportation Commission.

12. California Urbanized Areas 2000

2003. MTC. Urban areas in California as defined by the United States Census: http://www.census.gov/geo/www/ua/ua_2k.html. California. Metropolitan Transportation Commission.

13. Census Block Groups, 2000 - San Francisco Bay Area, California

2000. California. Metropolitan Transportation Commission and U.S. Department of Commerce, Bureau of the Census, Geography Division. This polygon shapefile displays U.S. Census Block Groups for the San Francisco Bay Area in California as of January 1, 2000. Block Groups (BGs) are... California. Metropolitan Transportation Commission.

14. Census Blocks, 2000 - San Francisco Bay Area, California

2000. California. Metropolitan Transportation Commission and U.S. Department of Commerce, Bureau of the Census, Geography Division. This polygon shapefile represents U.S. Census Blocks for the San Francisco Bay Area of California as of the year 2000. Census blocks are statistica... California. Metropolitan Transportation Commission.

15. Census Blocks, 2000 - San Francisco Bay Area, California

2000. California. Metropolitan Transportation Commission and U.S. Department of Commerce, Bureau of the Census, Geography Division. The polygons in this data layer represent U.S. Census Blocks for the San Francisco Bay Area in California. These data have been clipped to the shor... California. Metropolitan Transportation Commission.

16. Census Counties, 2000 - San Francisco Bay Area, California

2000. California. Metropolitan Transportation Commission and U.S. Department of Commerce, Bureau of the Census, Geography Division. This polygon shapefile displays the 9 counties for the San Francisco Bay Area of California, as of January 1, 2000. The primary legal divisions of ... California. Metropolitan Transportation Commission.

17. Census Counties, 2000 - San Francisco Bay Area, California (Clipped)

2000. California. Metropolitan Transportation Commission and U.S. Department of Commerce, Bureau of the Census, Geography Division. This polygon shapefile displays the boundaries for the 9 counties of the San Francisco Bay Area in California as of January 1, 2000. These data hav... California. Metropolitan Transportation Commission.

18. Census Places, 1990 - San Francisco Bay Area, California

1990. California. Metropolitan Transportation Commission. This polygon shapefile contains the Census places for the state based as of January 1, 1990. Places, for the reporting of decennial census data, in... California. Metropolitan Transportation Commission.

19. Census Places, 1990 - San Francisco Bay Area, California (Clipped)

1990. California. Metropolitan Transportation Commission and U.S. Department of Commerce, Bureau of the Census, Geography Division. This polygon shapefile contains the Census places for the San Francisco Bay Area based as of January 1, 2000. These data have been clipped to the s... California. Metropolitan Transportation Commission.

20. Census Tracts, 1990 - San Francisco Bay Area, California

1990. California. Metropolitan Transportation Commission. This polygon shapefile displays Census tracts for the San Francisco Bay Area in California, based on entity boundaries established on January 1, 19... California. Metropolitan Transportation Commission.