Archive6521867Title80_105_035 - Ordnance Survey Vertical Aerial Photography CollectionLevelItemDescriptionBlack and white aerial photograph of Hafod y Bwlch Colliery, Rhosllanerchrugog, taken by the Ordnance Survey on 4th June 1980, at an altitude of 7,500 feet. Grid reference SJ3146. Print enlargement (c. 20") taken from 9" film roll.MediumPhoto.Imagesn
