| 1. |  | High altitude aerial photograph over Liberty and Van Hook Townships, Mountrail County, N.D. | Aerial photographs; Railroad tracks; Roads; | High altitude aerial photograph over sections 4 and 5 of Liberty Township (Township 151 and Range 91, and sections 20, 21, 22, 27, 28, 29, 32, 33, and 34 of Van Hook Township (Township 152 and Range 91),... |
