Metsker's map of Imperial County, California

1942

Chas. F. Metsker

1:127k

City of San Diego California Water Resources

1937

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

1:580k

A Hysterical map of Palm Springs thru the desert country to old Mehiko

1948

Lindgren Brothers

1935 Blackburn’s map of San Diego County, California

1935

Blackburn, O.V.

1:250k

Reconnaissance map of the Salton Sink, California

1906

E.M. Douglas; R.B. Marshall; W. Carvel Hall

1:500k

Reconnaissance map of the Salton Sink, California

1908

E.M. Douglas

1:500k

A Pictorial Map of the Edison Electrical Service System in Central and Southern California.

1935

Southern California Edison Company Ltd.

Map of Riverside county, California : showing sections, townships, ranch [i.e. range?] lines and topography / compiled by A.C. Fulmor, county surveyor.

1942

Fulmor, A. C.; Davidson, J. F.

1:63k

Map No. 2 of the El Paso & Fort Yuma Wagon Road.

1858

Campbell, Albert

1:6m

Southern California Highway Map.

1938

Thomas Brothers

1:1m