. . "1818Z"^^ . . . "Union" . "1798-09-01Z"^^ . "Corps of Engineers" . "1873Z"^^ . "1798Z"^^ . "Delafield, Richard"@en . . "Richard Delafield"@en . . . "UnionArmygeneral" . "United States of America" . . . "1873-11-05Z"^^ . "1866Z"^^ . "Richard Delafield (September 1, 1798 \u2013 November 5, 1873) served as superintendent of the United States Military Academy, was Chief of Engineers, and was a major general in the Union Army during the American Civil War."@en .