Includes "Map of California showing major rock units and their significance for oil and gas," "Enlarged map of the Los Angeles basin area," index to oil and gas fields, 1 chart and 2 graphs.
Includes text, indexes, "Map of California, showing major rock units and their significance to exploration for manganese deposits," 2 diagrams and 4 graphs.
Includes "Map of California showing major rock units and their significance for oil and gas," "Enlarged map of the Los Angeles basin area," index to oil and gas fields, 1 chart and 2 graphs.
Shows the hydro electric, internal combustion engine and steam electric power plants operated by public utility systems, municipalities, government agencies and others.