California Water Library
The San Francisco Bay region is 4500 square miles, extending from Tomales Bay in Marin County to southern Santa Clara County and inland to the eastern edge of Suisun Bay. Land use varies from the urban Bay area cities to the Napa and Sonoma Valley wine growing regions and includes significant Pacific Coast marshes as well as Suisun Marsh, the largest contiguous brackish marsh on the West Coast of North America.
California Department of Water Resources (DWR) | October 1st, 1952
California Department of Water Resources (DWR) | November 2nd, 1953
California Department of Water Resources (DWR) | October 1st, 1954
California Department of Water Resources (DWR) | August 22nd, 1955
California Department of Water Resources (DWR) | June 28th, 1957
California Department of Water Resources (DWR) | May 31st, 1937
California Department of Water Resources (DWR) | July 25th, 1938
California Department of Water Resources (DWR) | April 3rd, 1939
California Department of Water Resources (DWR) | June 3rd, 1940
California Department of Water Resources (DWR) | June 2nd, 1941