| 2. |  | Silvis Yards control tower | Chicago, Rock Island and Pacific Railway Company; Railroads; Railroad shops & yards; Railroad freight cars; Railroad cars; Railroad tracks; Railroad signal towers; Railroad signals; Employees; Men; Silvis (Illinois); Film negatives | Photograph of Silvis Yards viewed from interior of a control tower. There is a worker is seated on the left side of the photograph. Another tower is visible over his right shoulder. Railroad cars, tracks... |
