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Airborne geophysical surveys

Counties of Maryland

Survey name Type Altitude Spacing Flight line distance
BaltimoreM/R-D121.9 m 4.80 km4,250 km
CumberlandM/R-D121.9 m 9.60 km2,726 km
Worcester-WicomicoM-Dz304.8 m above ground1.60 km1,448 km
Montgomery CountyM-Dz152.4 m above ground0.40 km2,282 km
Sugar LoafM-Dz152.4 m above ground0.40 km2,253 km
Harford CountyM-Dz152.4 m above ground0.80 km2,092 km
Baltimore GneissM-Dz152.4 m above ground0.80 km3,307 km
Maryland Coop '68M-Dz121.9 m above ground0.80 km3,947 km
Maryland Coop '70M-Dz1067 m (barometer)1.60 km5,359 km
Maryland Coop '71M-Dz365.7 m (barometer)1.60 km4,565 km
Southeast MarylandM-Dz365.7 m (barometer)1.60 km2,253 km
Northern MarylandM-Dz152.4 m above ground0.80 km2,719 km
Delaware-New JerseyM-D152.4 m above ground1.60 km13,751 km
Delaware Fall ZoneM-Dz304.8 m above ground0.80 km2,063 km
Pennsylvania Triassic '57M-Dz152.4 m above ground0.40 km18,958 km
Pittsburgh ARMSM-Dz152.4 m above ground1.60 km24,140 km
Pennsylvania-Maryland TieM-Dz152.4 m above ground0.80 km1,351 km
Central & Northern Penn.M-Dz304.8 m above ground4.80 km12,713 km
SalisburyM/R-D121.9 m 9.60 km1,189 km
Offshore East CoastM-D457.2 m (barometer)8.00 km59,545 km
Offshore E. Coast Tie LinesM-D300 m (barometer)-9999.00 km185,000 km
FairfaxM-Dz152.4 m above ground0.40 km2,790 km
Ft. Belvoir ARMSM-Dz152.4 m above ground1.60 km14,039 km
Quantico DetailM-Dz152.4 m above ground0.80 km193 km
Southeast VirginiaM-Dz152.4 m above ground3.20 km9,173 km
DahlgrenM-Dz152.4 m above ground0.80 km3,379 km
Fairfax CountyM-D152.4 m above ground0.80 km1,367 km
Culpeper BasinM/R-D152.4 m above ground1.20 km2,092 km
Virginia Hot Dry RockM-A304.8 m above ground1.60 km2,220 km
WashingtonM/R-D121.9 m 4.80 km3,823 km
WilmingtonM/R-D121.9 m 9.60 km2,018 km
Northern West VirginiaM-D304.8 m above ground3.20 km6,855 km