1897
League of American Wheelmen, Wisconsin Division
1:253k
1940
U.S. Dept. of Agriculture Bureau of Soils
1:191k
1878
Snyder, Van Vechten & Co.
1:380k
1902
U. S. Geological Survey
1:125k
1932
Wright, John K.
1931
O'Keefe, Mary A.
1846
Lapham, I.A.
1:634k
1935
Upper Peninsula Development Bureau
1:700k
1855
Chapman, Silas
1:634k
1849
Mitchell, Samuel Augustus
1:1m