Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
IrontonM/R-D140 m above ground0.30 km10,253 km
Southeast Missouri '48M-Dz548.64 m (barometer)0.40 km14,750 km
Cape GirardeauM-D304.8 m above ground1.61 km4,828 km
North Missouri Ground MagM-DzGround m at ground level1.61 km km
RollaM/R-D121.92 m 9.66 km2,567 km
St LouisM/R-D121.92 m 9.66 km2,807 km