Ian Fairchild and Ella Young, together with Elizabeth Matka of the Friends of Cotteridge Park gave a talk on 11th December 2018 to the Birmingham Open Spaces Forum about the Geoheritage of the large glacial erratics in the city and the social history related to Cotteridge Park.  Most of the erratics came from the Arenig area of North Wales.  Whilst the previous lecture was to a closed audience, Ian is giving an open and geologically focused lecture on this topic to the Lapworth Society at the Lapworth Museum, University of Birmingham on Monday 18th February 2019 at 5 p.m.