1879
Wheeler, G.M.
1:253k
1878
U.S. Geological and Geographical Survey of the Territories
1:253k
1878
Bechler, G.R. ; Clark, Fred A.
1:253k
1879
U.S. Geological and Geographical Survey of the Territories
1:507k
1879
Hayden, Ferdinand Vandeveer
1:507k
1882
Bancroft, Hubert Howe.
1879
Rand McNally and Company
1:2m
1880
Mitchell, Samuel Augustus
1:2m
1934
Leahy, J.F.
1870
Dietrich Reimer
1:3m