Includes pictures of locomotives, passenger cars, rails, stations, and other structures owned by the company, including bridges, steamboats, and car ferries. The folders entitled "Thebes Bridge Photo Book" is the disbound series of 73 cyanotype photographs of the construction of the railroad bridge in Thebes, Ill.; lists of the individual photographs are housed in the folders. For more engines photos, see also Series 3, Box 3, Folder 65: Documentary, folder entitled, "Chicago Lakefront, Cairo Bridge, and various other shots (including early locomotives), 1893 (photos by R.A. Beck)".