The unveiling of a plaque commemorating Sir John MacNeill CE ,FRS,MRIA took place at Jocelyn Street Dundalk today.The DRHS have been involved in this project for the past 18 months.Some photos showing Des Casey, President DRHS and Dr.Kieran Feighan,President Engineers Ireland who performed the unveiling.Committee members who worked on the project, guests and Members of the Society also shown.