Rhif ArchifTeitlLefelDisgrifiadCyfrwngDelweddauRhif Archif6025422TeitlAdditional InformationLefelItemDisgrifiadPen Rhiw Ffranc, Mynydd Islwyn; Report, drawings (plan and cutaway reconstruction) and copy of photo by Paul Davis, c1998CyfrwngText, Graphic, Photo.Delweddaun
