Archive6218983TitleSNW2007_407 - RCAHMW Uplands Initiative Snowdon NW Survey ArchiveLevelItemDescriptionDigital colour photograph of Cefn Du Radio Station, concrete base XXI taken on 11/10/2007 by P.J. Schofield during the Snowdon North West Upland Survey undertaken by Oxford Archaeology North.MediumPhoto.Imagesy