Archive NumberTitleLevelDescriptionMediumImagesArchive NumberAP_2014_4905TitleAP_2014_4905LevelItemDescriptionOblique aerial photograph taken during the Royal Commission’s programme of archaeological aerial reconnaissance: Blaen-y-cwm Reservoir from the north-west, with Heads of Valleys Road re-development.Medium1.tifImagesnArchive Number6185461TitleSAG02_05 - Sir Alexander Gibb CollectionLevelItemDescriptionPhotographic album showing the construction of the modern Blaen-y-Cwm Reservoir and subsequent improvements, by the Sir Alexander Gibb Partnership.MediumPhoto.Imagesn
