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
1838
Bradford, Thomas G.
1:2m
1881
C. Colby
1866
Larrance, Isaac, 1804-1896
1:5m
1878
Cram, George Franklin
1:32k
1857
Colton, G.W.
1:2m