"German-American topographer" . . "1838Z"^^ . "Charles Frederick Hoffmann"@en . . "Hoffmann, Charles Frederick"@en . "1913Z"^^ . . . "For the Charles F. Hoffman, United States Marine who received the Army and Navy Medal of Honor, see Ernest A. Janson.Charles Frederick Hoffmann (1838\u20131913) was a German-American topographer working in California U.S. from 1860 to 1880."@en . . . .