Series 1. U.S. Bureau of Reclamation 1949-1960
Series 2. California Department of Water Resources 1961-1971
Sub-Series 2.1. Publicity Stills 1961-1971
1967-1968
Sub-Series 2.2. Oroville Big Bucket 1964
1964
Sub-Series 2.3. San Luis Reservoir 1964
Sub-Series 2.4. Allis-Chalmers Shop 1965-1970
1965-1970
Sub-Series 2.5. San Bernardino Tunnel 1970
Sub-Series 2.6. Miscellaneous