2008. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile depicts land use for the nine county San Francisco Bay Area Region, California, originlly derived from the California Depart... Bay Area Open Space Council.
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compiled by S. G. Elliott, C.E. 1860 ; lith. of Britton & Co. San Francisco. Relief shown by hachures. Coordinates approximate and based on Greenwi... G.W. Welch.