1940
U.S. Dept. of Agriculture Bureau of Soils
1:191k
1926
Byllesby Engineering and Management Corporation
1:8m
1842
Tanner, Henry S.
1:1m
1849
Mitchell, Samuel Augustus
1:1m
1846
Mitchell, Samuel Augustus
1:1m
1845
Tanner, Henry S.
1:2m
1838
Bradford, Thomas G.
1:2m
1881
C. Colby
1897
League of American Wheelmen, Wisconsin Division
1:253k
1857
Colton, G.W.
1:2m