Map of El Cajon Valley

1941

El Cajon Valley Chamber of Commerce.

1:31k

Bird's eye view of San Diego and its Back Country. Text: The U.S. Grant Hotel.

1915

U.S. Grant Hotel

California Pacific International Exposition - San Diego.

1935

Bloodgood, Don

Street Map of San Diego (Eastern Section). Downtown San Diego. Metropolitan San Diego and Vicinity.

1956

Shell Oil Company

[Recto], uit: [Orange-San Diego area] / R.U. Goode, geographer in charge ; comp. by A.F. Hassan

1904

Goode, R. U.; Hassan, A. F.

1:250k

City of San Diego California Water Resources

1937

San Diego (Calif.). Water Department (1901-1963)

1:580k

San Diego

1979

US Geological Survey

1:100k

1935 Blackburn’s map of San Diego County, California

1935

Blackburn, O.V.

1:250k

Map of a part of Southern California, showing gaging stations

1920

Geologic Survey (U.S.)

1:1m

Map of a Part of Southern California Showing Precipitation and Gaging Stations

1917

McGlashan, H. D. (Harry Deyoe)

1:250k