Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
BaltimoreM/R-D121.92 m 4.83 km4,250 km
HarrisburgM/R-D121.92 m 4.83 km4,852 km
Harford CountyM-Dz152.4 m above ground0.80 km2,092 km
Maryland Coop '68M-Dz121.92 m above ground0.80 km3,948 km
NewarkM/R-D121.92 m 4.83 km3,975 km
Pennsylvania Triassic '57M-Dz152.4 m above ground0.40 km18,958 km
Pennsylvania CoopM-Dz914.4 m (barometer)3.22 km4,828 km
Pennsylvania-Maryland TieM-Dz152.4 m above ground0.80 km1,352 km
WilmingtonM/R-D121.92 m 9.66 km2,018 km