Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
HuntingtonM/R-D121.9 m 9.60 km2,761 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
LouisvilleM/R-D121.9 m 9.60 km2,761 km
Southern OhioM-D304.8 m above ground2.40 km9,100 km