1877
Gannett, Henry
1:253k
1846
Preuss, Charles
1:634k
1879
Wheeler, G.M.
1:253k
1879
U.S. Geological and Geographical Survey of the Territories
1:507k
1897
Rand McNally and Company
1:2m
1889
Arbuckle Bros.
1879
U.S. General Land Office
1:950k
1879
Rand McNally and Company
1:2m
1880
Mitchell, Samuel Augustus
1:2m
1934
Leahy, J.F.