| 1. |  | Towboat and two barges | Barges; Towboats; Riverboats; Coal; Inland Waterways Corporation; Mississippi River; Rock Island County (Ill.); Photographic prints | Photograph of a towboat pushing two barges on the Mississippi River most likely near Rock Island or Moline, Illinois. One barge is covered, while the other one appears to be carrying coal. A sign on the... |
