Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Crystal CityM/R-D121.9 m 2.40 km5,994 km
San AntonioM/R-D121.9 m 4.80 km5,589 km
SeguinM/R-D121.9 m 4.80 km4,296 km
Texas Coastal Plain '56M-Dz152.4 m above ground1.60 km20,317 km