| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Southwest Illinois | M-Dz | 914.4 m (barometer) | 1.60 km | 11,104 km |
| Southeast Illinois '77 | M-D | 304.8 m above ground | 1.60 km | 12,231 km |
| Hicks Dome 2019 | M/R-D | 100 m above ground | 0.20 km | 61,974 km |
| Paducah | M/R-D | 121.9 m | 9.60 km | 2,566 km |