Columbia (TN-AL)

Survey type M/R-D (magnetic; radiometric; collected in digital form)
Flown by EG&G
Line spacing 9.66 (km)
Altitude 121.92 (m)
Total distance 2,952 (km)
Counties Lauderdale - Bedford - Benton - Cannon - Coffee - Davidson - Decatur - DeKalb - Dickson - Franklin - Giles - Hardin - Hickman - Humphreys - Lawrence - Lewis - Lincoln - Marshall - Maury - Moore - Perry - Rutherford - Wayne - Williamson - Wilson
Overlapping surveys

Data: Magnetic, radiometric (NURE) (NURE)