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    Archive NumberTitleLevelDescriptionMediumImagesArchive Number6148373Title97_CS_0620 - RCAHMW Colour Oblique Aerial PhotographsLevelItemDescriptionRCAHMW colour slide oblique aerial photograph of Blaen-y-Cwm Quarry, Bro Machno, taken by C.R.Musson on the 25/05/1997MediumPhoto.ImagesnArchive Number6022294TitleAdditional InformationLevelItemDescriptionBlaenycwm Quarry, Bro Machno; Report following a project on the quarry by members of Fforwm Plas Tanybwlch 1991 under the direction of G.R. Jones & W.T. Jones. Report compiled in Welsh by G.R. Jones, April 1992.MediumText, Photo, Graphic, Cartographic.ImagesnArchive Number6072161TitleOAI_03_02 - Outsize Additional InformationLevelItemDescriptionBlaenycwm Slate Quarry, Bro Machno; set of measured drawings produced by G.R. Jones, July 1991.MediumGraphic.ImagesnArchive Number6422137TitleWMPT235 - Welsh Mines Preservation TrustLevelBatchDescriptionDigital photos of Blaen y Cwm Quarry, with cover sheet.Medium5 images. Photo, Text.Imagesn