Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
GreensboroM/R-D121.9 m 4.80 km5,122 km
HammeM-Dz121.9 m above ground0.80 km6,477 km
Danville 1994M-D121.9 m above ground0.80 km4,828 km
South-central PiedmontM-Dz152.4 m above ground0.80 km10,621 km
Southern Piedmont Rad (R7)M/R-D152.4 m above ground0.80 km3,218 km