1870
Campbell, R.A.
1:350k
1940
U.S. Dept. of Agriculture Bureau of Soils
1:63k
1932
Wright, John K.
1894
Huebinger, M. & Co.
1842
Tanner, Henry S.
1:1m
1846
Mitchell, Samuel Augustus
1:1m
1956
Shell Oil Company
1:1m
1885
Bradstreet Company
1:6m
1934
Leahy, J.F.
1838
Bradford, Thomas G.
1:2m