Rhif ArchifTeitlLefelDisgrifiadCyfrwngDelweddauRhif Archif6140140Teitl99_CS_0278 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour slide oblique aerial photograph of Blaen Cwm Banw Building Platform, Talybont-on-usk, taken on 22/01/1999 by Toby DriverCyfrwngPhoto.DelweddaunRhif Archif6366018TeitlBBE2008_080 - RCAHMW Uplands Initiative Brecon Beacons EastLefelItemDisgrifiadDigital colour photograph of Blaen Cwm Banw building platform taken on 15/06/2008 by R.P.Sambrook during the Brecon Beacons (east) Uplands Survey undertaken by Trysor.CyfrwngPhoto.Delweddauy
