Fort Clinton at McGowan's Pass. ; [View of Harlem Plains] ; [View of Stone Tower Overlooking Manhattanville].

Fort Stevens and the Mill Rock from the Tower on Hallets Point. ; Fort Stevens Looking up the Sound.

Forts Fish and Clinton. ; View from Fort Fish at McGowan's Pass Looking Towards Haerlem.

Mill Rock and Hell Gate from Fort Stevens. ; Gate at McGowan's Pass.

The Mill Rock.

Tower on Hallet's Point.

View at Fort Clinton McGowan's Pass.

View of the Mill Rock.

Works at McGowan's Pass. ; Fort Fish from Nutters Battery.