1877
Chittenden, G.B.
1:253k
1876
King, Clarence
1846
Preuss, Charles
1:634k
1879
U.S. Geological and Geographical Survey of the Territories
1:507k
1861
Beckwith, E.G.
1:760k
1878
Powell, John Wesley, 1834-1902.
1:630k
1987
Raven Maps and Imaging
1:500k
1885
Holt, George L.
1948
Hammond, C.S.
1:2m
