The portal’s boundaries, colour by era or by granting governor.
Historical baylands drawn live from the State of California (CDFW BIOS ds3201) public map service: the San Francisco Estuary Institute’s historical ecology compilation of habitats at European contact, traced largely from 1850s U.S. Coast Survey T-sheets. © SFEI; served by CDFW; not redistributed by this site. Coverage is the San Francisco Estuary.