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Hudson River (N.Y. and N.J.)
Peekskill (N.Y.)
New York (State)
Hudson Highlands (N.Y.)
Haverstraw (N.Y.)
Storm King Mountain (N.Y.)
Ausable Chasm (N.Y.)
Rivers--New York (State)
Bridges--Hudson River (N.Y. and N.J.)
Slides (photographs)
Photographs
Black-and-white photographs
Color slides
Documenting nature
Surveying rivers