Airborne geophysical surveys

Counties of Arkansas

Survey name Type Altitude Spacing Flight line distance
Magnet CoveM-Dz304.8 m above ground0.40 km168 km
NewportM-Dz304.8 m above ground0.40 km9,456 km
New Madrid '75 (Jonesboro)M-Dz304.8 m (barometer)1.60 km7,628 km
West-central ArkansasM-A152.4 m above ground0.80 km18,185 km
BlythevilleM/R-D121.9 m 9.60 km2,951 km
DyersburgM/R-D121.9 m 4.80 km4,889 km
El DoradoM/R-D121.9 m 9.60 km3,004 km
Fort SmithM/R-D121.9 m 9.60 km2,951 km
GreenwoodM/R-D121.9 m 9.60 km3,004 km
HarrisonM/R-D121.9 m 9.60 km2,911 km
HelenaM/R-D121.9 m 9.60 km2,978 km
Bluegrass Area, KY/Pauducah Area, KY/ Hopkinsville Area, KY & TN/ Owensboro Area, KY/ Paradise-Russellville Area, KY & TN/ Louisville, KY/ Burskville-Somerset Area, KY & TN/ Ashland-Hazard Area, KY/ Cincinnatis Area, KYM-D152.4 m above ground1.60 km67,632 km
Little RockM/R-D121.9 m 4.80 km5,320 km
Mc AlesterM/R-D121.9 m 9.60 km2,769 km
MemphisM/R-D121.9 m 9.60 km2,951 km
New Madrid '73M-Dz304.8 m (barometer)1.60 km8,880 km
Harrison '87M-D152.4 m above ground0.74 km9,937 km
New Madrid '90M-D91 m above ground0.45 km6,173 km
South Missouri Ground MagM-Dz-9999 m at ground level1.60 km km
Monroe Uplift '48M-Dz304.8 m above ground0.80 km8,304 km
New Madrid 2013M-D203 m above ground0.40 km12,868 km
Poplar BluffM/R-D121.9 m 4.80 km4,889 km
RussellvilleM/R-D121.9 m 9.60 km2,951 km
TexarkanaM/R-D121.9 m 4.80 km5,080 km
TulsaM/R-D121.9 m 4.80 km4,604 km