Ventura county investigation

South Coastal Basin. a Cooperative Symposium of Activities and Plans of Public Agencies in Los Angeles, Orange, San Bernardino and Riverside Counties, Leading to Conservation of Local Water Supplies and Management of Underground Reservoirs. 1930

Santa Ana River Basin. a Plan for Flood Control and Conservation of Waste Water. Present and Future Importation Requirements. Sources of Outside Supply. Salinity Intrustion. 1930

Mojave River Investigation