1978
Carlson, John E.
1:500k
1875
Cram Atlas Company
1:1m
1866
U.S. General Land Office
1:1m
1878
Cram, George Franklin
1907
Rand McNally and Company
1:2m
1897
Rand McNally and Company
1:2m
1903
Rand McNally and Company
1:2m
1894
U.S. General Land Office
1:760k
1901
Cram, George
1:2m
1889
Cram, George
1:2m