1952
United States. Air Force
1:500k
1872
Chicago, Burlington, and Quincy Railroad
1:2k
1893
1852
Owen, David Dale
1846
Preuss, Charles
1:634k
1934
Rand McNally and Company
1:1m
1936
Rand McNally & Company
1948
Hammond, C.S.
1:1m
1885
Page, H.R. & Co.
1:1m
1882
Mills & Co.
1:570k