Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
AustinM/R-D121.9 m 4.80 km3,991 km
BeaumontM/R-D121.9 m 9.60 km745 km
HoustonM/R-D121.9 m 4.80 km4,633 km
SeguinM/R-D121.9 m 4.80 km4,296 km
East-central TexasM-D457.2 m (barometer)9.60 km2,405 km