Sections on the Missouri River, from No. 20 M, to No. 40 M.

1852

Owen, David Dale

Map Of The Road From Missouri To Oregon ... Section I.

1846

Preuss, Charles

1:634k

Kansas City ~ Chicago.

1936

Rand McNally & Company

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

Iowa.

1879

Rand McNally and Company

1:1m

North Platte - Omaha. Omaha - Iowa City.

1939

White, Ruth Taylor

Post Route Map of the State of Iowa Showing Post Offices ... February 1, 1948.

1948

United States. Post Office Department

1:444k

Iowa.

1873

Gray, O.W.

1:940k