1881
Wheeler, G.M.
1:253k
1846
Preuss, Charles
1:634k
1846
Preuss, Charles
1:634k
1878
U.S. Geological and Geographical Survey of the Territories
1:507k
1858
Campbell, Albert
1:6m
1879
U.S. Geological and Geographical Survey of the Territories
1:507k
1893
Union Pacific Railway Company.
1870
Dietrich Reimer
1:3m
1882
Cram, George Franklin
1:2m
1875
Cram Atlas Company
1:1m