1893
Geological Survey (U.S.)
1:63k
1893
Geological Survey (U.S.)
1:63k
1867
Beers, Frederick W.
1:20k
1867
Beers, Frederick W.
1:135k
1867
Beers, Frederick W.
1:20k
1867
Beers, Frederick W.
1:38k
1893
Geological Survey (U.S.)
1:63k
1893
D.H. Hurd & Co.
1:475k
1909
Cram, George Franklin; Davis, Ellis Arthur
1:510k
1851
De Forest, John William