1878
Snyder, Van Vechten & Co.
1:105k
1901
U. S. Geological Survey
1:63k
1940
U.S. Dept. of Agriculture Bureau of Soils
1:63k
1901
Murray-Aaron, Eugene, 1852-1941.
1956
Shell Oil Company
1:111k
1874
Mitchell, Samuel Augustus Jr.
1877
Mitchell, Samuel Augustus Jr.
1:25k
1871
Lloyd, H.H.
1:253k
1897
League of American Wheelmen, Wisconsin Division
1:253k
1935
Schaeffer, M.B.
1:48k