Map of El Cajon Valley

1941

El Cajon Valley Chamber of Commerce.

1:31k

California Pacific International Exposition - San Diego.

1935

Bloodgood, Don

City of San Diego.- Reproduction by the San Diego History Center.

2013

Mora, Jo (1876-1947)

Linea Divisoria Entre Mexico Y Los Estados Unidos. No. 18.

1901

International Boundary Commission

1:60k

San Diego 1991.

1990

Phi, P. Bach

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

1915

U.S. Grant Hotel

San Diego, California.

1999

Unique Media Inc.

San Diego Area, California.

1972

Millsap, Darrel

Geologic Map of California, San Diego - El Centro Sheet.

1962

California Division of Mines and Geology

1:250k

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

1956

Shell Oil Company