1895
United States. War Department
1:634k
1899
Walcott, Charles D.
1:500k
1902
Fitch, Charles H.
1897
Rand McNally and Company
1:860k
1878
U.S. General Land Office
1:760k
1866
1:1m
1856
Colton, G.W.
1848
Greenleaf, Jeremiah
1:2m
1846
Mitchell, Samuel Augustus
1845
Tanner, Henry S.
