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A plan of the Narrows of Hells-gate in the East River, near which batt...
Scale ca. 1:2,400. Manuscript, pen-and-ink and watercolor. Has watermarks. Relief shown by shading. In upper margin: no. 6. Includes "References." LC Maps of North America, 1750-1789, 1154 Available also throug... More
Destruction of Flood Rock at Hell Gate
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description