Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
BellevilleM/R-D121.92 m 9.66 km2,762 km
Southwest IllinoisM-Dz914.4 m (barometer)1.61 km11,104 km
Cape GirardeauM-D304.8 m above ground1.61 km4,828 km
North Missouri Ground MagM-DzGround m at ground level1.61 km km
PaducahM/R-D121.92 m 9.66 km2,567 km
RollaM/R-D121.92 m 9.66 km2,567 km
St LouisM/R-D121.92 m 9.66 km2,807 km