| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Devils Lake | M/R-D | 121.9 m | 9.60 km | 2,212 km |
| Northwestern surveys | M-D | 150 m above ground | 0.40 km | 44,500 km |
| NE North Dakota | M-D | 152.4 m above ground | 0.40 km | 29,265 km |
| Thief River Falls | M/R-D | 121.9 m | 9.60 km | 2,277 km |