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Start Over Place Contra Costa County (Calif.) Subject Census
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.
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, 199... California. Metropolitan Transportation Commission.
2000. 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, 20... California. Metropolitan Transportation Commission.
2000. California. Metropolitan Transportation Commission. This polygon shapefile represents ZIP Code Tabulation Areas (ZCTAs) for the entire state. ZCTAs are a new statistical entity developed by the U.S. ... California. Metropolitan Transportation Commission.
2009. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile depicts a watershed integrity cluster analysis at the CalWater 2.2.1 Planning Watershed (PWS) level performed by mapping fac... Bay Area Open Space Council.