Woonsocket Historical Society presents a program about Woonsocket’s Forgotten Cemeteries featuring Greg Duhamel, local historian and cemetery conservator.  Greg does gravestone cleaning and restoration throughout the Blackstone Valley and he works closely with the RI Historical Cemetery Commission.  He will be accompanied by Johnelle Bergeron, a cemetery survey expert.  Both Greg and Johnelle are volunteer Cemetery Conservators with the Blackstone Heritage Corridor.