California Water Library
California Department of Water Resources (DWR) | July 1st, 1948
California Department of Water Resources (DWR) | July 1st, 1949
California Department of Water Resources (DWR) | July 1st, 1950
California Department of Water Resources (DWR) | July 1st, 1953
California Department of Water Resources (DWR) | July 1st, 1954
California Department of Water Resources (DWR) | April 1st, 1955
California Department of Water Resources (DWR) | June 1st, 1955
California Department of Water Resources (DWR) | August 1st, 1955
California Department of Water Resources (DWR) | June 1st, 1956