Metsker's map of Imperial County, California

1942

Chas. F. Metsker

1:127k

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

Sheet No. 3, Department of Arizona

1876

Ward, J.W.

1:665k

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

Map Number 2 of the El Paso and Fort Yuma Wagon Road

1858

Department of the Interior

1:600k

Ride The Roads To Romance along the Golden Coast.

1952

Roads To Romance Assn, Inc.

Arizona

1893

Wood Brothers

1:3m

Geological map of the state of Arizona

1924

[Tucson] : Arizona Bureau of mines