1881
Hayden, F.V.
1:253k
1882
Wheeler, G.M.
1:507k
1881
Hayden, F.V.
1:253k
1861
Gunnison, J.W.
1:760k
1941
Schmidt, Ray
1897
Rand McNally and Company
1:2m
1879
U.S. General Land Office
1:1m
1875
Cram Atlas Company
1:1m
1874
Asher & Adams
1:1m
1916
Clason Map Company
1:2m