Scribner

1966

1:24k

Blair

1986

1:100k

Blair

1986

1:100k

Fremont

1955

1:250k

Fremont

1955

1:250k

Fremont

1955

1:250k

Karte von Iowa

1860

Meyer, J.

Map of Military Department of the Platte, Nebraska. sheet no. 2

1872

Jones, William Albert 1841-1914; États-Unis. Corps of Engineers

1:1m

County map of the States of Iowa and Missouri.

1860

[Die Vereinigten Staaten von Nord-Amerika, Blatt 2]

1876

Stieler, Adolf