| Ddisgrifiad / Description | Photographs, press cuttings, technical diagrams and a typescript article relating to the Dolgarrog dam disaster and later commemorations of it. Also contains negatives in envelope labelled "Dolgarrog Archive - 35 mm copies" and probably of photographs found in this item and elsewhere in this collection; publicity material from Aluminium Corporation Limited c. 1950s and from the Dolgarrog and Cwm Dyli power stations, c 1990s |