Orange County Jamboree Playland Boy Scouts of America 1953.

1953

Boy Scouts of America

Geologic map, portion of Perris block, Southern California

1935

Dudley, Paul H.; California. Division of Mines.

1:158k

City of Santa Ana, Orange County, California ; Principal highways in Orange Co., California

1930

Santa Ana, Calif. : Santa Ana Chamber of Commerce

1:130k

Orange County A Historical Map.

1929

Ames, Jean Goodwin (1903-1986)

The Old Spanish and Mexican Ranchos of Orange County, California.

1955

Butler, Lowell

Map of the County of Los Angeles, California

1888

Rowan, Valentine James

Automobile Road Map of Riverside County

1928

Los Angeles, Cal. : The Club

1:264k

Verso: Los Angeles, California.

1928

Hill, E. F.

Riverside County.

1935

California Division of Highways

1:236k

Major economic areas, Los Angeles County (southern portion), based on county tract plan, business index, and statistical areas

1940

Los Angeles, Calif. : Los Angeles Times Research Dept.