| 作者 | A. B. Miller / Champion Spalding Chase / Chauncey N. Dutton / Chesapeake and Ohio Canal Company / Chicago (Ill.). Committee on Statistics / Dwight H. Kelton / Frank Abial Flower / George Gerard Tunell / George Hervey Ely / Henry Edwin Tremain / Horatio Seymour / James F. Griffith / James Wadsworth / John Pendleton Kennedy / Lyman Edgar Cooley / New York Board of Trade and Transportation / New York and Newark Bay Ship Canal Company / North Branch Canal Company / Thomas C. Keefer / Thomas T. Johnston (engineer) / Turner Camac / Western Society of Engineers (Chicago, Ill.) / William MacCreary Burwell / George Young Wisner / Lewis Muhlenberg Haupt |
