Claerwen Dam and Claewen Reservoir, aerial shot.
Cranes at Construction of Claerwen Dam
At the Site of the Construction of Caban Coch (...
Construction of Caban Coch Dam
King Edward VII Opening Ceremony
Pen y Garreg Construction
Children's Hospital, Bryn Gwy, Rhayader
Hirnant Peat Cutting
Rhayader West Street from Bridge
Old Nantgwyllt Church
Elan Valley Claerwen Dam Construction
Warley Reservoir interior
Elan Valley Aqueduct Teme Bridge Leintwardine
Elan Valley Aqueduct Stour Canal crossing.
Ithon aqueduct looking west.
Frankley Reservoir stream diversion and east wall.
Frankley Reservoir pipe store and Masons'...
Frankley Reservoir main diversion wall looking...
Frankley Reservoir South outlet well.
Frankley Reservoir inlet weirs
Frankley Reservoir Northern Division
Frankley Reservoir filters
Frankley Reservoir Curved Wall looking East.
Deepwood Siphon Outlet
Elan Valley Aqueduct Compensation Works
Elan Valley Aqueduct pipe.
Elan Valley Aqueduct Wye Siphon Lowering pipe.
Elan Valley Aqueduct Wye siphon general view East.
Elan Valley aqueduct tube being inserted.
Elan Valley Aqueduct Teme Bridge Leintwardine...