Survey name | Type | Altitude | Spacing | Flight line distance |
---|---|---|---|---|
Belleville | M/R-D | 121.9 m | 9.60 km | 2,761 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 |
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 |