1936
Rand McNally & Company
1846
Preuss, Charles
1:634k
1857
Colton, J. H.
1:507k
1861
Gunnison, J.W.
1:760k
1867
Mitchell, D.T.
1:589k
1859
Warren, Gouverneur Kemble, 1830-1882
1:1m
1939
White, Ruth Taylor
1860
Johnson, A.J.
1:2m
1856
Blanchard, Rufus
1:860k
1920
George F. Cram Company collection 1845-1955; National Highways Association
1:2m