Archif6537084Teitl73_082_0680 - Ordnance Survey Vertical Aerial Photography CollectionLefelItemDisgrifiadBlack and white aerial photograph of Dduallt Loop, taken by the Ordnance Survey on 17th April 1973 at an altitude of 7,500 feet. Grid reference SH6742. Print enlargement (c. 20") taken from 9" film roll.CyfrwngPhoto.Delweddaun
Archif6050524Teitl96_CS_0722 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadSlide of RCAHMW colour oblique aerial photograph of Ffestiniog Railway, Dduallt Loop, taken by C.R. Musson, 5/5/1996.CyfrwngPhoto.Delweddaun
Archif6050523Teitl96_CS_0723 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadSlide of RCAHMW colour oblique aerial photograph of Ffestiniog Railway, Dduallt Loop, taken by C.R. Musson, 5/5/1996.CyfrwngPhoto.Delweddaun
Archif6189719TeitlAP_2005_0561 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW digital colour oblique photograph of the Dduallt Loop on the Ffestiniog Railway. Taken on 08/06/2005 by T.G. Driver.CyfrwngPhoto.Delweddauy