| 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 | 548.6 m (barometer) | 0.40 km | 14,749 km |
| Cape Girardeau | M-D | 304.8 m above ground | 1.60 km | 4,828 km |
| North Missouri Ground Mag | M-Dz | -9999 m at ground level | 1.60 km | km |
| Rolla | M/R-D | 121.9 m | 9.60 km | 2,566 km |
| SE Missouri | M-D | 110 m above ground | 0.30 km | 68,548 km |
| St Louis | M/R-D | 121.9 m | 9.60 km | 2,806 km |