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  4. Aeromagnetic surveys
  5. Texas

Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
AustinM/R-D121.9 m 4.80 km3,991 km
Killeen ARMS (Llano Up.)M-Dz152.4 m above ground1.60 km3,862 km
Northeast San AntonioM-Dz548.6 m (barometer)2.00 km3,983 km