english: After an increase in ship traffic in the 1890s, the Army Corps of Engineers constructed the Harlem River Ship Canal, making Marble Hill an island.
non_english: Saksampune peningkatan lalu lintas kapal ing taun 1890-an, Korps Insinyur Angkatan Darat AS yasa Harlem River Ship Canal ingkang ngewahi Marble Hill dados pulau.