Rhif ArchifTeitlLefelDisgrifiadCyfrwngDelweddauRhif Archif6148562Teitl945188_42 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Conglog Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.DelweddaunRhif Archif6148563Teitl945188_50 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Conglog Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.DelweddaunRhif Archif6148564Teitl945189_64 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Conglog Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.DelweddaunRhif Archif6148561Teitl945189_65 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Conglog Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.DelweddaunRhif Archif6148558Teitl945189_66 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Conglog Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.DelweddaunRhif Archif6148560Teitl945189_67 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Conglog Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.DelweddaunRhif Archif6148559Teitl945189_68 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Conglog Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.DelweddaunRhif Archif6148557Teitl94_CS_1903 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour slide oblique aerial photograph of Conglog Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.DelweddaunRhif Archif6148565Teitl94_CS_1924 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour slide oblique aerial photograph of Conglog Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.DelweddaunRhif Archif6429491Teitl960272 - Investigators' PhotographsLefelItemDisgrifiadNE elevation of the Rhosydd table, No9 mill spoil heaps to right, Conglog Slate Quarry complex.CyfrwngPhoto.Delweddaun