1879
U.S. Geological and Geographical Survey of the Territories
1:507k
1879
Hayden, Ferdinand Vandeveer
1:507k
1877
Chittenden, G.B.
1:253k
1879
Rand McNally and Company
1:2m
1880
Mitchell, Samuel Augustus
1:2m
1934
Leahy, J.F.
1900
U.S. General Land Office
1:760k
1882
Cram, George Franklin
1:2m
1900
U.S. General Land Office
1:760k
1889
Cram, George
1:1m