Cranes on Caban Coch dam, Elan Valley during...
Garreg Ddu dam under construction, Elan Valley
Foel Tower under construction, Elan Valley
Craig Goch dam during construction
Flour Mill Pool dam under repair, Greenfield
Garreg ddu Postcard
James Grier, Middleton Estate
Ceinws/ Esgairgeiliog
Overflow from the dam, Abercorris / Cwmodyn...
Completed Llyn Brianne Dam Wall
Station 13 The Bath House
LLYN ALED DAM
Argae y Dique, Y Wladfa / Patagonia
Dinas dam showing discharge regulator in action...
The weir and Felin Newydd Bridge, Capel Bangor
An observation terrace at Felin Newydd, Capel...
Felin Newydd bridge, Capel Bangor in 1964
Felin Newydd bridge, Capel Bangor in 1955
Weir at Felin Newydd, Rheidol Hydro Electric...
Caern Owen quarry, Rheidol Hydro Electric...
Road bridge on approach road to Dinas power...
Man fishing at Rheidol Hydro Electric Station,...
30,000 volt switching station, Rheidol Hydro...
View of reception room at Rheidol, Rheidol...
The control room, Rheidol Hydro Electric...
Top of number 3 machine spiral casing showing...
Drainage and dewatering pump motors, Rheidol...
Cwm Rheidol power station, 1965
