1911
War Department, Corps of Engineers
1:1m
1851
Farmer, John
1:780k
1860
Meyer, J.
1860
Meyer, J.
1974
Kishner, Mel
1948
Wisconsin. State Highway Commission
1:1m
1938
Bohlman, Nina S.
1860
1875
Searing, Edward
1:380k
1855
Lapham, Increase Allen
1:2m