Rhif ArchifTeitlLefelDisgrifiadCyfrwngDelweddauRhif Archif6427763Teitl2002-0102 - Investigators' PhotographsLefelItemDisgrifiadHill's Tramroad: Pwll Du Tunnel, north portal by road-side.CyfrwngPhoto.DelweddaunRhif Archif6482433Teitl910314_10 - NMR Site FilesLefelItemDisgrifiadView of entrance to tunnel.CyfrwngPhoto.DelweddaunRhif Archif6482434Teitl910314_10 - NMR Site FilesLefelItemDisgrifiadView of entrance to tunnel.CyfrwngPhoto.DelweddaunRhif Archif6482435Teitl910314_9 - NMR Site FilesLefelItemDisgrifiadView of entrance to tunnel.CyfrwngPhoto.DelweddaunRhif Archif6482436Teitl910315_2 - NMR Site FilesLefelItemDisgrifiadView of entrance to tunnel.CyfrwngPhoto.DelweddaunRhif Archif6460049TeitlAP_2008_2707 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique photograph of Hills Tramroad: Pwll Du Tunnel North Portal and Dyne Steel's Incline, Blaenavon. Taken by Toby Driver on 10/10/2008.CyfrwngPhoto.DelweddauyRhif Archif6473094TeitlAP_2012_2216 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique photograph of Pwll Du, showing Hills Tramroad and Pwll Du Tunnel north entrance. Taken by Toby Driver on 22/05/2012.CyfrwngPhoto.DelweddauyRhif Archif6473095TeitlAP_2012_2217 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique photograph of Pwll Du, showing Hills Tramroad and Pwll Du Tunnel north entrance. Taken by Toby Driver on 22/05/2012.CyfrwngPhoto.DelweddauyRhif Archif6473096TeitlAP_2012_2218 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique photograph of Pwll Du, showing Hills Tramroad and Pwll Du Tunnel north entrance. Taken by Toby Driver on 22/05/2012.CyfrwngPhoto.DelweddauyRhif Archif6129696TeitlBE1_15 - RCAHMW Uplands Initiative Blaenavon East Survey ArchiveLefelItemDisgrifiadColour slide of North Portal, Pwll Du Tunnel, Hill's Tramroad, from the RCAHMW Uplands Initiative survey of Blaenavon East, carried out out by Hayman and Horton, August, 2001.CyfrwngPhoto.Delweddaun
