1908
Hyde, E. Belcher
1:18k
1895
Servoss, R. D.
1:80k
1867
Beers, Frederick W.
1:32k
1868
1868
Beers, F. W. (Frederick W.)
1:32k
1867
Beers, Frederick W.
1:32k
1881
Bromley, George Washington; Bromley, Walter Scott; G.W. Bromley & Co.
1:32k
1893
Geological Survey (U.S.)
1:63k
1915
U.S. Geological Survey
1:63k
1908
Hyde, E. Belcher
1:18k