1909
Wisconsin Geological and Natural History Survey
1:16k
1878
Snyder, Van Vechten & Co.
1:150k
1878
Snyder, Van Vechten & Co.
1:127k
1842
Breese, S.
1:900k
1842
1882
Mills & Co.
1:570k
1924
Rand McNally and Company
1909
Cram, George Franklin; Davis, Ellis Arthur
1:2m
1934
Leahy, J.F.
1894
Keyes, Charles Rollin