This is a digitized version of an airborne magnetic survey of Britain. Data are sampled where flight lines crossed contours on the archive maps. Contains only the total field magnetic anomaly, not the magnetic field intensity measurements or corrections. Note: This is a processed and formatted version of the source dataset below. It's mean for use in documentation and tutorials of the Fatiando a Terra project. Please cite the original authors when using this dataset. Changes made: Datum was changed to WGS8; Year was separated from the survey name; Some fields were dropped; Exported to compressed CSV format. Source: British Geological Survey Source license: Open Government Licence Repository: https://github.com/fatiando-data/britain-magnetic Contains British Geological Survey materials © UKRI 2021.