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.Delweddauy
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.Delweddauy
Archif6482433Teitl910314_10 - NMR Site FilesLefelItemDisgrifiadView of entrance to tunnel.CyfrwngPhoto.Delweddaun
Archif6482434Teitl910314_10 - NMR Site FilesLefelItemDisgrifiadView of entrance to tunnel.CyfrwngPhoto.Delweddaun
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
Archif6482432TeitlNMR Site FilesLefelBatchDisgrifiadBlack and white photo survey showing Pwll Du Tunnel, north portal, taken by Iain Wright, 23rd January 1992.Cyfrwng4 photos. Photo.Delweddaun
Archif6062436TeitlMM224 - Cadw Scheduling RecordsLefelSub-groupDisgrifiadFile of Cadw scheduled monument records for North Portal, Pwll Du Tunnel, Hill's Tramroad (MM224) , consisting of scheduling notices, accompanied by Field Monument Warden reports. Files stored in scheduled monument number order.CyfrwngText, Cartographic.Delweddaun
Archif6518724TeitlCAM001-01-6582-00 - Cadw Registered Files CollectionLefelSub-groupDisgrifiadClosed registered file, ref. no. CAM001-01-6582-00, Pt.1 transferred from Cadw, concerning Pwll Du Tramroad Tunnel, Northern Entrances and site of Lower Rank, Torfaen - scheduling case. Includes colour images.CyfrwngCartographic, Photo, Text.Delweddaun
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.Delweddauy
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.Delweddauy
Archif6427763Teitl2002-0102 - Investigators' PhotographsLefelItemDisgrifiadHill's Tramroad: Pwll Du Tunnel, north portal by road-side.CyfrwngPhoto.Delweddaun
Archif6482436Teitl910315_2 - NMR Site FilesLefelItemDisgrifiadView of entrance to tunnel.CyfrwngPhoto.Delweddaun
Archif6482435Teitl910314_9 - NMR Site FilesLefelItemDisgrifiadView of entrance to tunnel.CyfrwngPhoto.Delweddaun
