1877
Chittenden, G.B.
1:253k
1876
King, Clarence
1879
U.S. Geological and Geographical Survey of the Territories
1:507k
Hayden, Ferdinand Vandeveer
1882
Bancroft, Hubert Howe.
1878
Powell, John Wesley, 1834-1902.
1:630k
Rand McNally and Company
1:2m
1891
Appleton, D. & Co.
1880
Mitchell, Samuel Augustus
