| 1. |  | High altitude aerial photograph over flooded Missouri River in Township 138N, Range 81W, Sections 1 & 2, Morton County, N.D. | Aerial photographs; Floods; Rivers; Railroad tracks; | High altitude aerial photograph over Heart River at flood stage in Township 138N, Range 81W, Sections 1 and 3, Morton County, N.D. The Northern Pacific Railroad is visible running across the image. |