1872
Beers, F. W. (Frederick W.)
1:127k
1888
Vermeule, C. C. (Cornelius Clarkson), 1858-1950
1:63k
1878
Woolman, H. C.
1873
Hopkins, G.M.
1:253k
1918
Department of the Interior U. S. Geological Survey
1846
Hassler, F. R.
1:30k
1948
