Res timelapse GPR timelapse Verualmium Park lake Earth Resistance Survey Earth Resistance Survey Where the GPR roams GPR Survey GPR at Verulamium Put out more flags! The final line Sun shade Verulamium theatre Day 1 Res in action Day 1 GPR in action Feb 17: Geophysics GPR in the distance Mag in the distance The mannikin gate St Albans Abbey GPR at Verulamium Verulamium mosaic Verulamium theatre Gorhambury GPR Gorhambury GPR Nigel April 25: St Albans Abbey April 25: GPR in the Park Feb 16 surveying Feb 15 teaching Resistance survey Magnetometer survey Resistance survey Magnetometry Resistance survey Magnetometer survey Resistance survey Magnetometer survey Magnetometer survey Discussing the Bartington magnetometer Resistance survey. Resistance survey. The TRCIA Resistance meter Magnetometry (2) Resistance survey (3) Resistance Survey (2) Total station survey Resistance survey (3) Discussions Magnetometry (1)