Roosevelt Island, formerly known as Welfare Island (from 1921 to 1973), and before that Blackwell's Island, is a narrow island in the East River of New York City. It lies between the island of Manhattan to its west and the borough of Queens to its east. Running from Manhattan's East 46th to East 85th streets, it is about two miles long, with a maximum width of 800 feet (240 m), and a total area of 147 acres. The island is part of the Borough of Manhattan and New York County.
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