Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Pea RidgeM/G-D90 m above ground0.40 km3,537 km
IrontonM/R-D140 m above ground0.30 km10,253 km
Southeast Missouri '48M-Dz548.6 m (barometer)0.40 km14,749 km
S.E. Missouri West '50M-Dz548.6 m (barometer)0.40 km2,574 km
Corridon AreaM-Dz609.6 m (barometer)0.40 km6,276 km
North Missouri Ground MagM-Dz-9999 m at ground level1.60 km km
RollaM/R-D121.9 m 9.60 km2,566 km
SE MissouriM-D110 m above ground0.30 km68,548 km
St LouisM/R-D121.9 m 9.60 km2,806 km