Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
ElmiraM/R-D121.9 m 9.60 km2,634 km
Central New York '78M-D914.4 m (barometer)3.20 km9,527 km
Central & Northern Penn.M-Dz304.8 m above ground4.80 km12,713 km