Northwestern California Birds A Guide To The Status Distribution And Habitats Of The Birds Of Del Norte Humboldt Trinity Northern Mendocino And Western Siskiyou Counties California -

san francisco bay area wikipedia - the san francisco bay area popularly referred to as the bay area is a populous region surrounding the san francisco san pablo and suisun estuaries in the northern part of the u s state of california although the exact boundaries of the region vary depending on the source the bay area is generally accepted to include the nine counties that border the aforementioned estuaries alameda