Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Pittsburgh ARMSM-Dz152.4 m above ground1.61 km24,140 km
Central & Northern Penn.M-Dz304.8 m above ground4.83 km12,714 km
PittsburghM/R-D121.92 m 9.66 km2,697 km
WarrenM/R-D121.92 m 9.66 km2,667 km