Kansas City ~ Chicago.

1936

Rand McNally & Company

Iowa.

1842

Missouri.

1948

Hammond, C.S.

1:1m

Railway Distance Map of the State of Iowa

1934

Leahy, J.F.

A geological map of Iowa

1894

Keyes, Charles Rollin

North Platte - Omaha. Omaha - Iowa City.

1939

White, Ruth Taylor

Geological map of the State of Iowa, Climatological map of the State of Iowa.

1875

Andreas, A. T. (Alfred Theodore), 1839-1900

1:2m

Iowa.

1869

Colton, G.W.

1:950k

Iowa.

1889

Cram, George

1:981k

Iowa

1899

Cram, George Franklin, 1841-1928

1:985k