Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
BaltimoreM/R-D121.92 m 4.83 km4,250 km
Montgomery CountyM-Dz152.4 m above ground0.40 km2,282 km
Sugar LoafM-Dz152.4 m above ground0.40 km2,253 km
Maryland Coop '70M-Dz1066.8 m (barometer)1.61 km5,359 km
FairfaxM-Dz152.4 m above ground0.40 km2,791 km
Ft. Belvoir ARMSM-Dz152.4 m above ground1.61 km14,040 km
Frederick-Washington NorthM-D152.4 m above ground0.20 km1,743 km
Fairfax CountyM-D152.4 m above ground0.80 km1,368 km
Culpeper BasinM/R-D152.4 m above ground1.21 km2,092 km
WashingtonM/R-D121.92 m 4.83 km3,824 km
Northern West VirginiaM-D304.8 m above ground3.22 km6,856 km