Queen Elizabeth opens the Claerwen Dam, 1952
'Reservoir, Llandough' by Charles...
Receipt from Brice Whyte & Son, Coopers, to...
Letter from D. J. Lloyd to the Rev. Michael D....
Elan Valley construction site, 1896
Dam construction, Elan Valley, 1898
Pipeline construction, Elan Valley waterworks,...
Elan Valley Railway, 1902
Village water pump, Llanddew, near Brecon, c. 1900
Cwm Elan house, lost to the Elan Valley dams...
Panoramic postcard view of the Elan Valley, c....
Dam building in the Elan Valley, c. 1903
King Edward VII opening the Elan Valley...
Council water cart outside St Mair's...
Report of an inquiry into the water supply and...
Printed form showing the number of cholera...
Drawing of the Norton tower in Cheshire, part...
Richard Eustace Tickell, 'The Vale of...
Victorian water purifier, London, c.1860 (image...
Water testing kit, from the Royal Monmouthshire...
Dolwen Reservoir, Llanefydd, August 1905
Building the Lake Vyrnwy dam, Llanwddyn, c. 1885
Lake Vyrnwy dam with the village in its shadows...
Letter from the South Wales Area of the...
Letter from the Anglesey branch of the National...