1911
Marshall, R. B.; Herron, W. H.; MacDonald, H. L.; Penn, W. C.; United States Geological Survey
1:63k
1878
Snyder, Van Vechten & Co.
1:127k
1842
Tanner, Henry S.
1:1m
1846
Mitchell, Samuel Augustus
1:1m
1878
Snyder, Van Vechten & Co.
1:127k
1838
Bradford, Thomas G.
1:2m
1881
C. Colby
1857
Colton, G.W.
1:2m
1934
Leahy, J.F.
1879
Cram, George Franklin
1:1m