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Keywords from Image Description:
Blackwell's Ward's and Randall's islands and adjacent shores of East and Harlem Rivers from st St. New York to Lawrence's Pt. U.S. Coast and Geodetic Survey F.M. Thorn superintendent NYPL. Blackwell's Ward's and Randall's islands and adjacent shores of East and Harlem Rivers from st St New York to Lawrence's Pt Coast and Geodetic