Archive6506745TitleAP2018_065_004 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelItemDescriptionGarreg-Ddu dam and reservoir, and Coed-y-Foel pill boxes at the Elan Valley water scheme. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 3rd June 2015.MediumPhoto.Imagesy
