James Chatham Duane (June 10, 1824 – December 8, 1897) was a career officer in the Union Army during the American Civil War, being the Chief Engineer of the Army of the Potomac.
James Chatham Duane (June 10, 1824 – December 8, 1897) was a career officer in the Union Army during the American Civil War, being the Chief Engineer of the Army of the Potomac. (en)