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2002. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile depicts field observations of where each bird species nests within the nine county San Francisco Bay Area Region, California... Bay Area Open Space Council.
2002. California. Metropolitan Transportation Commission. This polygon shapefile contains traffic analysis zones with population statistics for the San Francisco Bay Area in California. These data have ben... California. Metropolitan Transportation Commission.