Archive6522101Title79_105_0222 - Ordnance Survey Vertical Aerial Photography CollectionLevelItemDescriptionBlack and white aerial photograph of Rhuallt, taken by the Ordnance Survey on 30th August 1975, at an altitude of 8,500 feet. Grid reference SJ0775. Print enlargement (c. 20") taken from 9" film roll.MediumPhoto.Imagesn