| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Northwest Iowa | M-A | 304.8 m above ground | 1.60 km | 19,199 km |
| Minnesota Coop Southwest | M-Dz | 304.8 m above ground | 1.60 km | 16,173 km |
| Southwestern surveys | M-D | 200 m above ground | 0.50 km | 81,000 km |
| Sioux Falls | M/R-D | 121.9 m | 9.60 km | 2,380 km |