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 |
MAP - Regional TEMPEST | M/R/EM-D | 120 m above ground | 6.00 km | 22,250 km |
SE Missouri | M-D | 110 m above ground | 0.30 km | 68,548 km |
Rolla | M/R-D | 121.9 m | 9.60 km | 2,566 km |
St Louis | M/R-D | 121.9 m | 9.60 km | 2,806 km |