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Pen-yr-Orsedd Slate Quarry, Nantlle Valley

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ArchiveTitleLevelDescriptionMediumImages

Archive2025-06-06_5000TitleAP2024_400LevelBatchDescriptionOblique aerial photographs taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver and Robyn Andrews, 3 October 2024. The flight path covered a number of sites in west Wales, including Wyddfa, Pen yr Orsedd and Dinorwic in the north, to Aberaeron in the south.Medium331 .tif filesImagesn

Archive6060742TitleCN208 - Cadw Scheduling RecordsLevelSub-groupDescriptionFile of Cadw scheduled monument records for Pen-yr-orsedd, Quarry (CN208) , consisting of scheduling notices, accompanied by Field Monument Warden reports. Files stored in scheduled monument number order.MediumText, Cartographic.Imagesn

Archive6513612TitleCSAM_MM_96_12 - Cadw Scheduled Ancient Monument 35mm NegativesLevelSub-groupDescriptionColour photo surveys of scheduled ancient monuments in Caernarfonshire carried out by M.A. Mason, 1996.MediumTwo sheets. Photo.Imagesn

Archive6518455TitleCAM001-01-6410 - Cadw Registered Files CollectionLevelSub-groupDescriptionClosed registered file, ref. no. CAM001-01-6410, transferred from Cadw, concerning Pen yr Orsedd Quarry 'Blondins' and associaed Structures, near Nantlle - scheduling.MediumText, Cartographic.Imagesn

Archive6022359TitleInvestigators' PhotographsLevelBatchDescriptionPen yr Orsedd Quarry; Photo survey comprising 2 B&W prints taken by Brian Malaws, dated 8th September 1996. Negatives held.MediumPhoto.Imagesn

Archive6397380TitleDS2013_364 - Investigators' Digital PhotographyLevelBatchDescriptionDigital photographs of Penyrorsedd QuarryMediumEight digital images. Photo.Imagesn

Archive6399789TitleDS2013_497 - Investigators' Digital PhotographyLevelBatchDescriptionDigital photographs of Kellow drillMediumFour digital images. Photo.Imagesn

Archive6022371TitleDrawings CollectionLevelItemDescriptionMeasured drawing showing section view of blondin at Pen yr Orsedd Quarry, produced by Tony Parkinson, 1987.MediumGraphic.Imagesn

Archive6022368TitleDrawings CollectionLevelItemDescriptionMeasured drawing showing blondin at Pen yr Orsedd Quarry, produced by Tony Parkinson, 1987.MediumGraphic.Imagesn

Archive6022364TitleNMR Site FilesLevelItemDescriptionPen yr Orsedd Quarry; Pencil drawings showing various details by Tony Parkinson, dated 1987.MediumGraphic.Imagesn

Archive6022370TitleDrawings CollectionLevelItemDescriptionElevations of the Blondin II Tower Head at Pen-yr-Orsedd Slate Quarry, Llandwrog.MediumGraphic.Imagesn

Archive6022367TitleOAI_02_02 - Outsize Additional InformationLevelItemDescriptionPen yr Orsedd Quarry; field notes and calculations, drafts and annotated large scale maps produced by Brian Malaws, 1993MediumText, Cartographic, Graphic.Imagesn

Archive6148488Title945129_43 - RCAHMW Black and White Oblique Aerial PhotographsLevelItemDescriptionRCAHMW Black and white oblique aerial photograph of Pen-yr-orsedd Quarry, Llanllyfni, taken by C.R. Musson, 02/05/94MediumPhoto.Imagesn

Archive6148490Title945129_46 - RCAHMW Black and White Oblique Aerial PhotographsLevelItemDescriptionRCAHMW Black and white oblique aerial photograph of Pen-yr-orsedd Quarry, Llanllyfni, taken by C.R. Musson, 02/05/94MediumPhoto.Imagesn

Archive6148484Title94_CS_1003 - RCAHMW Colour Oblique Aerial PhotographsLevelItemDescriptionRCAHMW colour slide oblique aerial photograph of Pen-yr-orsedd Quarry, Llanllyfni, taken by C.R. Musson, 02/05/94MediumPhoto.Imagesn

Archive6233039TitleSS980031_33 - NMR Site FilesLevelItemDescriptionBlondin U. No accession number.MediumPhoto, Cartographic.Imagesn

Archive6232716TitleSS980031_16 - NMR Site FilesLevelItemDescriptionBlondin U. No accession number.MediumCartographic, Photo.Imagesn

Archive6232713TitleSS980031_12 - NMR Site FilesLevelItemDescriptionBlondin U. No accession number.MediumCartographic, Photo.Imagesn

Archive6232720TitleSS980031_23 - NMR Site FilesLevelItemDescriptionBlondin U. No accession number.MediumPhoto, Cartographic.Imagesn

Archive6232719TitleSS980031_22 - NMR Site FilesLevelItemDescriptionBlondin U. No accession number.MediumCartographic, Photo.Imagesn

Archive6232707TitleSS980031_06 - NMR Site FilesLevelItemDescriptionBlondin U. No accession number.MediumCartographic, Photo.Imagesn

Archive6233044TitleSS980032_01 - NMR Site FilesLevelItemDescriptionBlondin U. No accession number.MediumPhoto, Cartographic.Imagesn

Archive6233042TitleSS980031_37 - NMR Site FilesLevelItemDescriptionBlondin U. No accession number.MediumPhoto, Cartographic.Imagesn

Archive6232708TitleSS980031_07 - NMR Site FilesLevelItemDescriptionBlondin U. No accession number.MediumPhoto, Cartographic.Imagesn

Archive6233036TitleSS980031_27 - NMR Site FilesLevelItemDescriptionBlondin U. No accession number.MediumCartographic, Photo.Imagesn

Archive6232697Title870127 - NMR Site FilesLevelItemDescriptionInterior, W4 mill. No accession number.MediumCartographic, Photo.Imagesn

Archive6232710TitleSS980031_09 - NMR Site FilesLevelItemDescriptionBlondin U. No accession number.MediumPhoto, Cartographic.Imagesn

Archive6232714TitleSS980031_13 - NMR Site FilesLevelItemDescriptionBlondin U. No accession number.MediumCartographic, Photo.Imagesn

Archive6233035TitleSS980031_26 - NMR Site FilesLevelItemDescriptionBlondin U. No accession number.MediumPhoto, Cartographic.Imagesn

Archive6232718TitleSS980031_19 - NMR Site FilesLevelItemDescriptionBlondin U. No accession number.MediumPhoto, Cartographic.Imagesn

Archive6234861Title870064 - NMR Site FilesLevelItemDescriptionLoco water tank N8 tip. No accession number.MediumPhoto, Cartographic.Imagesn

Archive6235201Title870094 - NMR Site FilesLevelItemDescriptionClose up of complex portion of W6 mill. No accession number.MediumCartographic, Photo.Imagesn

Archive6234869Title870075 - NMR Site FilesLevelItemDescriptionAqueduct tip adits, left & right near E8-W6 incline.. No accession number.MediumPhoto, Cartographic.Imagesn

Archive6234862Title870066 - NMR Site FilesLevelItemDescriptionLoco shed and water tank N8 tip. No accession number.MediumPhoto, Cartographic.Imagesn

Archive6234556Title870002 - NMR Site FilesLevelItemDescriptionClose up blondin V tail anchor (front). No accession number.MediumCartographic, Photo.Imagesn

Archive6234555Title870001 - NMR Site FilesLevelItemDescriptionAnchorage for aerial ropeway. No accession number.MediumPhoto, Cartographic.Imagesn

Archive6234876TitleSS980032_08 - NMR Site FilesLevelItemDescriptionBlondin U. No accession number.MediumPhoto, Cartographic.Imagesn

Archive6234878TitleSS980032_11 - NMR Site FilesLevelItemDescriptionBlondin U. No accession number.MediumPhoto, Cartographic.Imagesn

Archive6235202Title870095 - NMR Site FilesLevelItemDescriptionW6 mill. No accession number.MediumCartographic, Photo.Imagesn

Archive6235195Title870086 - NMR Site FilesLevelItemDescriptionInterior, W6 loco shed. No accession number.MediumCartographic, Photo.Imagesn