1878
U.S. Geological and Geographical Survey of the Territories
1:253k
Bechler, G.R. ; Clark, Fred A.
1879
Hayden, Ferdinand Vandeveer
1:507k
1882
Cram, George Franklin
1:2m
1889
Cram, George
1:1m
1875
Cram Atlas Company
1909
Rand McNally and Company
1927
