Rhif ArchifTeitlLefelDisgrifiadCyfrwngDelweddauRhif Archif6014990Teitl2002_0222_1 - NMR Site FilesLefelItemDisgrifiadBlack and white print of Castell Grogwynion Hillfort, Trawscoed.CyfrwngPhoto.DelweddaunRhif Archif6162375Teitl2003_5054_44 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW black and white oblique aerial photograph of Castell Grogwynion, poor light. Taken by Toby Driver on 31/03/2003CyfrwngPhoto.DelweddaunRhif Archif6162374Teitl2003_5054_45 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW black and white oblique aerial photograph of Castell Grogwynion, poor light. Taken by Toby Driver on 31/03/2003CyfrwngPhoto.DelweddaunRhif Archif6182859Teitl2006_CS_0300 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour photograph of Castell Grogwynion, taken by Toby Driver, 2006.CyfrwngPhoto.DelweddauyRhif Archif6137990Teitl881361_10 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Castell Grogwynion, Trawsgoed, taken by CR Musson on 24/06/88CyfrwngPhoto.DelweddaunRhif Archif6137997Teitl881361_12 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Castell Grogwynion, Trawsgoed, taken by CR Musson on 24/06/88CyfrwngPhoto.DelweddaunRhif Archif6055876Teitl8M_0544_1 - Cadw Registered Files CollectionLefelSub-groupDisgrifiadClosed registered file, ref. no. 8M/0544/1, transferred from Cadw, concerning Castell Grogwynion, Llanafan, Cardigan, scheduling.CyfrwngText.DelweddaunRhif Archif6162372Teitl955046_42 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW black and white oblique aerial photograph of Brogwynion Castle. Taken by C R Musson on 23/03/1995CyfrwngPhoto.DelweddaunRhif Archif6162373Teitl95_CS_0460 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique aerial photograph of Brogwynion Castle. Taken by C R Musson on 23/03/1995CyfrwngPhoto.DelweddaunRhif Archif6137995Teitl983534_00 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Castell Grogwynion, Trawsgoed, taken on 04/12/1998 by Toby DriverCyfrwngPhoto.Delweddaun