Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
BellevilleM/R-D121.9 m 9.60 km2,761 km
DecaturM/R-D121.9 m 9.60 km2,726 km
QuincyM/R-D121.9 m 9.60 km2,758 km
St LouisM/R-D121.9 m 9.60 km2,806 km