William Ward Duffield

William Ward Duffield (November 19, 1823 – June 22, 1907) was an executive in the coal industry, a railroad construction engineer, and an officer in the Union Army during the American Civil War. After the war he was appointed Superintendent of the U.S. Coast and Geodetic Survey.

William Ward Duffield

William Ward Duffield (November 19, 1823 – June 22, 1907) was an executive in the coal industry, a railroad construction engineer, and an officer in the Union Army during the American Civil War. After the war he was appointed Superintendent of the U.S. Coast and Geodetic Survey.