Airborne magnetic flight line data over parts of southeast Missouri, southern Illinois and western Kentucky - The Gap survey, 2021
Airborne magnetic gradiometry data along the tie and flight lines are provided here in CSV (Comma Separated Value) format along with a GeoTIFF grid of the total magnetic intensity (TMI) in nanoTeslas.  Along with the data provided on this child page, a report in PDF format by the airborne contractor that describes the …