Rhif ArchifTeitlLefelDisgrifiadCyfrwngDelweddauRhif Archif6148374Teitl91_CS_0138 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour slide oblique aerial photograph of Cwm Machno Slate Quarry, Penmachno, taken on 26/02/1991 by CR MussonCyfrwngPhoto.DelweddaunRhif Archif6148380Teitl91_CS_0139 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour slide oblique aerial photograph of Cwm Machno Slate Quarry, Penmachno, taken on 26/02/1991 by CR MussonCyfrwngPhoto.DelweddaunRhif Archif6148377Teitl945121_46 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Cwm Machno Slate Quarry, Penmachno, taken by C.R. Musson, 01/05/94CyfrwngPhoto.DelweddaunRhif Archif6148375Teitl945121_47 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Cwm Machno Slate Quarry, Penmachno, taken by C.R. Musson, 01/05/94CyfrwngPhoto.DelweddaunRhif Archif6148376Teitl945121_48 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Cwm Machno Slate Quarry, Penmachno, taken by C.R. Musson, 01/05/94CyfrwngPhoto.DelweddaunRhif Archif6148378Teitl94_CS_0908 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour slide oblique aerial photograph of Cwm Machno Slate Quarry, Penmachno, taken by C.R. Musson, 01/05/94CyfrwngPhoto.DelweddauyRhif Archif6049623Teitl94_CS_0908 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadSlide of RCAHMW colour oblique aerial photograph of Cwm Machno Quarry;penmachno Slate Quarry, taken by C.R. Musson, 1/5/1994.CyfrwngPhoto.DelweddaunRhif Archif6148379Teitl94_CS_0909 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour slide oblique aerial photograph of Cwm Machno Slate Quarry, Penmachno, taken by C.R. Musson, 01/05/94CyfrwngPhoto.DelweddaunRhif Archif6071536TeitlAENT14_01 - Archaeological Reports/Evaluations (non Trust)LefelItemDisgrifiadSurvey report on the main haulage incline at Cwm Machno Slate Quarry, Aberconwy, produced by the Govannon Consultancy, 2004.CyfrwngText, Photo, Graphic.DelweddaunRhif Archif6449922TeitlAJPC_01_03_26 - A.J. Parkinson CollectionLefelBatchDisgrifiadField notes/drawings relating to Cwm Machno Quarry produced or collated by Tony Parkinson.CyfrwngOne file. Graphic, Text.Delweddaun
