1882
Bancroft, Hubert Howe.
1909
Cram, George Franklin; Davis, Ellis Arthur
1:2m
1909
Cram, George Franklin
1:2m
1924
Rand McNally and Company
1:950k
1876
U.S. General Land Office
1:760k
1860
Dixon, Joseph
1:750k
1934
Leahy, J.F.
1863
U.S. General Land Office
1866
U.S. General Land Office
1:1m
1909
Cram, George Franklin
1:2m