Rhif ArchifTeitlLefelDisgrifiadCyfrwngDelweddauRhif Archif6148584Teitl945188_45 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Cwmorthin Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.DelweddaunRhif Archif6148586Teitl945188_46 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Cwmorthin Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.DelweddaunRhif Archif6148585Teitl945188_47 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Cwmorthin Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.DelweddaunRhif Archif6148581Teitl94_CS_1896 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour slide oblique aerial photograph of Cwmorthin Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.DelweddaunRhif Archif6148582Teitl94_CS_1897 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour slide oblique aerial photograph of Cwmorthin Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.DelweddaunRhif Archif6148587Teitl94_CS_1898 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour slide oblique aerial photograph of Cwmorthin Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.DelweddaunRhif Archif6148583Teitl94_CS_1899 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour slide oblique aerial photograph of Cwmorthin Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.DelweddaunRhif Archif6429465Teitl960272 - Investigators' PhotographsLefelItemDisgrifiadQuarry mill, SW end and SE elevation, Cwmorthin Slate Quarry.CyfrwngPhoto.DelweddaunRhif Archif6429441Teitl960272 - Investigators' PhotographsLefelBatchDisgrifiadCwmorthin Slate Quarry complex: Photo survey comprising 6 B&W prints taken by S. R. Hughes, September 1996.Cyfrwng6 prints. Photo.DelweddaunRhif Archif6429467Teitl960272 - Investigators' PhotographsLefelItemDisgrifiadQuarry mill tips, from SW, Cwmorthin Slate Quarry.CyfrwngPhoto.Delweddaun
