1992
Little, David
1901
Cram, George
1:387k
1889
Cram, George
1:380k
1898
Northern Pacific Railway Company
1:169k
1925
Pahaska Tepee
1904
Hague, Arnold
1:125k
1878
Bechler, G.R. ; Clark, Fred A.
1:253k
1878
U.S. Geological and Geographical Survey of the Territories
1:253k
1879
Rand McNally and Company
1:2m
1880
Mitchell, Samuel Augustus
1:2m