Archive NumberTitleLevelDescriptionMediumImagesArchive Number6536621Title83_112_0019 - Ordnance Survey Vertical Aerial Photography CollectionLevelItemDescriptionBlack and white aerial photograph of Onllwyn Washery, taken by the Ordnance Survey on 19th June 1983 at an altitude of 8,300 feet. Grid reference SS8410. Print enlargement (c. 20") taken from 9" film roll.MediumPhoto.ImagesnArchive Number6140529Title871543_19 - RCAHMW Black and White Oblique Aerial PhotographsLevelItemDescriptionRCAHMW Black and white oblique aerial photograph of Onllwyn Coal Washery, taken by CR Musson on 16/02/88MediumPhoto.ImagesnArchive Number6374140Title9300542_1 - NMR Site FilesLevelItemDescriptionGeneral view.MediumPhoto.ImagesnArchive Number6374141Title9300542_2 - NMR Site FilesLevelItemDescriptionGeneral view.MediumPhoto.ImagesnArchive Number6374150Title9300542_3 - NMR Site FilesLevelItemDescriptionGeneral view of washery buildings.MediumPhoto.ImagesnArchive Number6374151Title9300542_4 - NMR Site FilesLevelItemDescriptionGeneral view of washery buildings.MediumPhoto.ImagesnArchive Number6374152Title9300542_5 - NMR Site FilesLevelItemDescriptionGeneral view of washery buildings.MediumPhoto.ImagesnArchive Number6374142Title9300542_6 - NMR Site FilesLevelItemDescriptionCoal delivery.MediumPhoto.ImagesnArchive Number6374143Title9300542_7 - NMR Site FilesLevelItemDescriptionCoal delivery.MediumPhoto.ImagesnArchive Number6374146Title9300542_8 - NMR Site FilesLevelItemDescriptionCoal delivery.MediumPhoto.Imagesn
