Rhif ArchifTeitlLefelDisgrifiadCyfrwngDelweddauRhif Archif6509296TeitlAP2018_131_002 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadThe Mount Motte and Bailey, Hundred House Bridge and Barrow II on Hundred House Common, near Builth Wells. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 11th June 2015.CyfrwngPhoto.DelweddauyRhif Archif6411731TeitlDBHC_002_004 - D.B. Hague CollectionLefelBatchDisgrifiadCopy of a report entitled Industrial Monuments in Powys - Bridges, produced by Jim Groucott, Nov 1980.CyfrwngText.Delweddaun