Upcoming Events Feb 12 7:30 pm - 9:30 pm The end-Triassic mass extinction and its aftermath Feb 14 10:00 am - 5:00 pm Little Heath Geoconservation Mar 12 7:30 pm - 9:30 pm AGM Mar 21 8:00 am - 5:00 pm Joint trip Ver Valley Society/ HGS Mar 29 10:00 am - 4:30 pm The Ice-pushed chalk of the Chiltern escarpment between Barkway and Heydon View Calendar
