Penygarreg reservoir, Elan Valley Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Elan Valley reservoir Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Graig Goch reservoir, Elan Valley Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Caban Coch dam, Elan Valley Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Caban Coch dam, Elan Valley Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Caban Coch dam, Elan Valley Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Elan Valley reservoir Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Caban Coch dam, Elan Valley Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Elan Valley reservoir Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Elan Valley reservoir Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Elan Valley reservoir Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Pen-y-Garreg reservoir Elan Valley Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Caban Coch dam, Elan Valley Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Penygarreg reservoir, Elan Valley Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Caban Coch dam, Elan Valley Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Graig Goch reservoir, Elan Valley Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Craig Coch dam, Elan Valley Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Penygarreg reservoir, Elan Valley Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
'Greenfield Mill Dams, Greenfield Valley' by Malcolm Edwards, 1996 (watercolour) Type Item Uploaded by Gathering The Jewels
Clywedog valley before being submerged by a new dam, c. 1965 Type Item Uploaded by Gathering The Jewels
Aerial view of Llyn Celyn, Tryweryn Valley, 1963 Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
Construction of dam at Llyn Celyn, Tryweryn Valley Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
Ty'n-y-cerrig, Capel Celyn, from south (Tyddyn Bychan in background) Type Item Uploaded by Gathering The Jewels
