| 1. |  | Aerial over American Crystal Sugar office building, Moorhead, Minn. | Aerial photographs; Sugar industry; Rivers; Waterfronts; Bridges; Commercial streets; Parking lots; | Aerial looking north over the American Crystal Sugar headquarters in Moorhead, Minn. View shows the Red River of the North with the N.P. Avenue/Center Avenue Bridge in the foreground, and the 1st Avenue... |
