Rhif ArchifTeitlLefelDisgrifiadCyfrwngDelweddauRhif Archif6149559Teitl915008_29 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Diffwys Slate Quarry, Blaenau Ffestiniog, taken on 26/02/1991 by CR MussonCyfrwngPhoto.DelweddaunRhif Archif6149560Teitl915008_30 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Diffwys Slate Quarry, Blaenau Ffestiniog, taken on 26/02/1991 by CR MussonCyfrwngPhoto.DelweddaunRhif Archif6149570Teitl915008_32 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Diffwys Slate Quarry, Blaenau Ffestiniog, taken on 26/02/1991 by CR MussonCyfrwngPhoto.DelweddaunRhif Archif6049704Teitl91_CS_0143 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadSlide of RCAHMW colour oblique aerial photograph of Diffwys Slate Quarry, Blaenau Ffestiniog, taken by C.R. Musson, 26/2/1991.CyfrwngPhoto.DelweddauyRhif Archif6149557Teitl91_CS_0144 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour slide oblique aerial photograph of Diffwys Slate Quarry, Blaenau Ffestiniog, taken on 26/02/1991 by CR MussonCyfrwngPhoto.DelweddaunRhif Archif6149558Teitl91_CS_0145 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour slide oblique aerial photograph of Diffwys Slate Quarry, Blaenau Ffestiniog, taken on 26/02/1991 by CR MussonCyfrwngPhoto.DelweddaunRhif Archif6049702Teitl93_CS_1173 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadSlide of RCAHMW colour oblique aerial photograph of Diffwys Slate Quarry, Blaenau Ffestiniog, taken by C.R. Musson, 4/5/1993.CyfrwngPhoto.DelweddauyRhif Archif6149566Teitl945095_53 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Diffwys Slate Quarry, Ffestiniog, taken by C.R. Musson, 17/04/94CyfrwngPhoto.DelweddaunRhif Archif6149565Teitl945095_54 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Diffwys Slate Quarry, Ffestiniog, taken by C.R. Musson, 17/04/94CyfrwngPhoto.DelweddaunRhif Archif6149564Teitl945095_55 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Diffwys Slate Quarry, Ffestiniog, taken by C.R. Musson, 17/04/94CyfrwngPhoto.Delweddaun
