| 121. |  | Rock Haven snag boat port near Mandan, N.D. | Marine terminals; Harbors; Trees; Waterfronts; Rivers; Channels; Buildings; Piers & wharves; Aerial photographs; | Aerial view from east-south-east looking down at the Rock Haven snag boat port upstream on the Missouri River from Mandan. The port is on the near shore, while the opposite shore is wooded and in the background.... |
