California Water Library
California Department of Water Resources (DWR) | January 1st, 1935
California Department of Water Resources (DWR) | January 1st, 1936
California Department of Water Resources (DWR) | January 1st, 1937
California Department of Water Resources (DWR) | July 1st, 1938
California Department of Water Resources (DWR) | July 1st, 1939
California Department of Water Resources (DWR) | July 1st, 1941
California Department of Water Resources (DWR) | July 1st, 1944
California Department of Water Resources (DWR) | July 1st, 1945
California Department of Water Resources (DWR) | July 1st, 1946
California Department of Water Resources (DWR) | July 1st, 1948