Earth Resistance Survey Put out more flags! GPR at Verulamium The final line Sun shade Verulamium theatre Day 1 GPR in action Day 1 Res in action Feb 17: Geophysics Where the GPR roams Earth Resistance Survey Verualmium Park lake GPR timelapse Res timelapse Is that a mag on the horizon? GPR in the distance Mag in the distance The mannikin gate St Albans Abbey GPR at Verulamium Verulamium mosaic Verulamium theatre Gorhambury GPR Nigel Gorhambury GPR April 25: St Albans Abbey April 25: GPR in the Park Feb 16 surveying Feb 15 teaching Resistance survey. The TRCIA Resistance meter Magnetometry Discussing the Bartington magnetometer Resistance survey. Magnetometer survey Resistance survey Magnetometer survey Magnetometer survey Magnetometer survey Resistance survey Resistance survey Resistance survey