Archif6357999TeitlAP_2007_0520 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique aerial photograph of a supposed burial chamber at Pen-yr-Alltwen. Taken on 16 March 2007 by Toby DriverCyfrwngPhoto.Delweddauy
Archif6512131TeitlCSAM_KR_97_09 - Cadw Scheduled Ancient Monument 35mm NegativesLefelSub-groupDisgrifiadColour photo survey of scheduled ancient monuments in Caernarfonshire, Glamorgan and Merioneth carried out by Kate Roberts, 1997.CyfrwngTwo sheets. Photo.Delweddaun
Archif6061770TeitlGM514 - Cadw Scheduling RecordsLefelSub-groupDisgrifiadFile of Cadw scheduled monument records for Burial Chamber, Pen-yr-alltwen (GM514) , consisting of scheduling notices, accompanied by Field Monument Warden reports. Files stored in scheduled monument number order.CyfrwngText, Cartographic.Delweddaun
Archif6135594Teitl985011_48A - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of the Burial Chamber, Pen-yr-alltwen, Cilybebyll, taken on 12/06/1998 by Toby DriverCyfrwngPhoto.Delweddaun
