Rhif ArchifTeitlLefelDisgrifiadCyfrwngDelweddauRhif Archif6206490TeitlAdditional InformationLefelItemDisgrifiadMaes Gwastad Earthworks, Welshpool; plan produced by Cyril Wardale of Ordnance Survey, undated but donated to NMRW March 1988.CyfrwngText, Graphic.DelweddaunRhif Archif6048044TeitlDrawings CollectionLefelItemDisgrifiadMaes Gwastad Earthworks, Welshpool; plan produced by Cyril Wardale of Ordnance Survey, undated but donated to NMRW March 1988.CyfrwngGraphic.Delweddaun
