| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Glendive | M/R-D | 121.92 m | 9.66 km | 2,470 km |
| Northeast Mt.-Western N.D. | M-D&Dz | 1219.2 m (barometer) | 4.83 km | 11,193 km |
| Watford City | M/R-D | 121.92 m | 4.83 km | 2,923 km |
| Williston | M/R-D | 121.92 m | 9.66 km | 2,363 km |