Imperial County California. America's Winter Garden

1934

Imperial County Board of Trade

Linea Divisoria Entre Mexico Y Los Estados Unidos. No. 13.

1901

International Boundary Commission

1:60k

Yuma County Municipal Airport : Yuma Arizona : Vicinity map

1951

United States. Air Force

1:500k

Linea Divisoria Entre Mexico Y Los Estados Unidos. No. 14.

1901

International Boundary Commission

1:60k

Plan De L'Embouchure Du Rio Colorado.

1844

Duflot de Mofras, Eugene

California - Arizona

1905

U. S. Geological Survey

1:125k

Valley of the Sun. A Pictorial Guide of Phoenix and Central Arizona. State of Arizona.

1947

Avey, George M.

1:488k

Sheet No. 3, Department of Arizona

1876

Ward, J.W.

1:665k

Reconnaissance map of the Salton Sick California

1906

Douglas, Edward Morehouse

1:500k

Geological Map ... Rio Colorado of the West.

1858

Ives, J.C.

1:380k