Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
BaltimoreM/R-D121.9 m 4.80 km4,250 km
Baltimore GneissM-Dz152.4 m above ground0.80 km3,307 km
Ft. Belvoir ARMSM-Dz152.4 m above ground1.60 km14,039 km
DahlgrenM-Dz152.4 m above ground0.80 km3,379 km
Fairfax CountyM-D152.4 m above ground0.80 km1,367 km
WashingtonM/R-D121.9 m 4.80 km3,823 km