Archif6514585Teitl68_157_0366 - Ordnance Survey Vertical Aerial Photography CollectionLefelItemDisgrifiadBlack and white aerial photograph of Tan y Bwlch slate quarry taken by the Ordnance Survey on 9th June 1968 at an altitude of 7500 feet. Grid reference SH6369. Print enlargement (c. 20") taken from 9" film roll.CyfrwngPhoto.Delweddaun
Archif6475766TeitlAP_2012_5468 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique photograph of Tan y Bwlch slate quarry, Rachub. Taken by Toby Driver on 10/12/2012.CyfrwngPhoto.Delweddauy
Archif6474304TeitlAP_2012_3591 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique photograph of Rachub quarries, viewed from the west. Taken by Toby Driver on 10/08/2012.CyfrwngPhoto.Delweddauy
