| 1. |  | Abner O'Neal at landing, Mandan, N.D. | Logs; Building materials; Horses; Carts & wagons; Steamboats; Postcards; Mooring; Piers & wharves; Waterfronts; | A steamboat moored on a wooded shoreline. A horse and wagon is transporting materials just left of center. Workers are following the wagon. In the foreground there are two piles of logs. |
