3493152 Bridge on Orange and Alexandria Rail Road, as Repaired by Army Engineers under Colonel Herman Haupt, 1865 (albumen silver print from glass negative) by Russell, Andrew Joseph (1830-1902); Metropolitan Museum of Art, New York, USA; (add.info.: The engine Fire Fly testing the stability of a new wooden trestle bridge built quickly by the United States Military Railroad engineers 100 feet high over Potomac Creek to replace a masonry bridge destroyed by the Confederates. Armed sentries on the rail tracks and box car behind the engine ).