Rhif ArchifTeitlLefelDisgrifiadCyfrwngDelweddauRhif Archif6515310TeitlAP2018_639 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelBatchDisgrifiadCircle, barrow and linear earthworks at Holywell, and a circle and tumulus at Holywell Racecourse. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 11th September 2015CyfrwngPhoto.DelweddaunRhif Archif6515311TeitlAP2018_639_001 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadCircle, barrow and linear earthworks at Holywell, and a circle and tumulus at Holywell Racecourse. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 11th September 2015CyfrwngPhoto.DelweddauyRhif Archif6515312TeitlAP2018_639_002 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadCircle, barrow and linear earthworks at Holywell, and a circle and tumulus at Holywell Racecourse. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 11th September 2015CyfrwngPhoto.DelweddauyRhif Archif6515313TeitlAP2018_639_003 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadCircle, barrow and linear earthworks at Holywell, and a circle and tumulus at Holywell Racecourse. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 11th September 2015CyfrwngPhoto.DelweddauyRhif Archif6357396TeitlAP_2009_2864 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique aerial photograph of Holywell Racecourse Circle and Tumulus, also showing course of Offa's Dyke. Taken on 30 July 2009 by Toby DriverCyfrwngPhoto.DelweddauyRhif Archif6357397TeitlAP_2009_2865 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique aerial photograph of Holywell Racecourse Circle and Tumulus, also showing course of Offa's Dyke. Taken on 30 July 2009 by Toby DriverCyfrwngPhoto.DelweddauyRhif Archif6517790TeitlCAM001-01-2229-01 - Cadw Registered Files CollectionLefelSub-groupDisgrifiadClosed registered scheduling file, ref. no. CAM001-01-2229-01 transferred from Cadw, concerning Ysceifiog Circle and Tumulus and Offa's Dyke section, north and south of the Circle on Holywell Racecourse.CyfrwngCartographic, Text.DelweddaunRhif Archif6401413TeitlCMC_PA_566 - Cadw Monuments in Care CollectionLefelBatchDisgrifiadBlack and white photograph and negative relating to Ysceifiog Tower and Tumulus.Cyfrwng1 file. Photo.DelweddaunRhif Archif6529126TeitlCMC_PA_566_01 - Cadw Monuments in Care CollectionLefelItemDisgrifiadDigital copy of a nitrate negative showing Ysceifiog Tower and Tumulus.CyfrwngPhoto.DelweddauyRhif Archif6511280TeitlCSAM_IH_2005_10 - Cadw Scheduled Ancient Monument 35mm NegativesLefelSub-groupDisgrifiadColour photo surveys of scheduled ancient monuments in Flintshire, Denbighshire, Montgomeryshire and Radnorshire carried out by Ian Halfpenney, 2005.CyfrwngTwo sheets. Photo.Delweddaun