Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Maryland Coop '68M-Dz121.9 m above ground0.80 km3,947 km
Maryland Coop '71M-Dz365.7 m (barometer)1.60 km4,565 km
Delaware-New JerseyM-D152.4 m above ground1.60 km13,751 km
SalisburyM/R-D121.9 m 9.60 km1,189 km
WashingtonM/R-D121.9 m 4.80 km3,823 km
WilmingtonM/R-D121.9 m 9.60 km2,018 km