Midway Well

1954

1:63k

Midway Well

1954

1:63k

Holtville

1907

1:125k

Holtville

1907

1:125k

Holtville

1907

1:125k

Holtville

1907

1:125k

El Centro

1989

1:100k

California - Arizona

1905

U. S. Geological Survey

1:125k

El Centro

1942

1:250k

Imperial Valley tract map

1914

Rock, Geo H.

1:125k