| 1. |  | Aerial view over Moorhead, Minn. during spring flood of 1943 | Rivers; Floods; Aerial photographs; Bridges; Business districts; Streets; Railroad bridges; | Aerial view over downtown Moorhead, showing the N.P. Railroad bridge and the Main Avenue Bridge over the flooding Red River of the North. Scene encumpuses area south of Main Avenue and west of 5th Street... |
