1895
United States. War Department
1:634k
1899
Walcott, Charles D.
1:500k
1902
Fitch, Charles H.
1932
C&GS
1:621k
1874
Colton, G.W.
1:2m
1884
Mitchell, Samuel Augustus Jr.
1:1m
1886
1909
Cram, George Franklin
1873
Gray, O.W.
1876
U.S. General Land Office
1:760k
