| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Ironton | M/R-D | 140 m above ground | 0.30 km | 10,253 km |
| Southeast Missouri '48 | M-Dz | 548.64 m (barometer) | 0.40 km | 14,750 km |
| Cape Girardeau | M-D | 304.8 m above ground | 1.61 km | 4,828 km |
| North Missouri Ground Mag | M-Dz | Ground m at ground level | 1.61 km | km |
| Rolla | M/R-D | 121.92 m | 9.66 km | 2,567 km |
| St Louis | M/R-D | 121.92 m | 9.66 km | 2,807 km |