LLYN ALED DAM Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
BWLCH-Y-GLE DAM, LLYN CLYWEDOG, LLANIDLOES Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
LLYN ALED DAM Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
LLYN ALED DAM Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
NEATH ABBEY IRONWORKS: AFON CLYDACH DAM Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
NEATH ABBEY IRONWORKS: AFON CLYDACH DAM Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
NEATH ABBEY IRONWORKS: AFON CLYDACH DAM Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
NEATH ABBEY IRONWORKS: AFON CLYDACH DAM Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
GWAEN GYNFI DAM Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
Cwm Elan Dam Workers, 1902 Type Item Uploaded by Rhyfel Byd Cyntaf: Prosiect Addysg - First World War: Education Project
RHEIDOL HYDRO-ELECTRIC SCHEME: NANT-Y-MOCH RESERVOIR AND DAM Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
Penygarreg 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
Pen-y-Garreg 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
Garreg Ddu, Elan Valley Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Penygarreg 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
Graig-goch reservoir, Elan Valley Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Men and women in buses and cars visiting a reservoir in Elan Valley Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
Graig Goch 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
Pen-y-Garreg Dam Elan Valley Type Item Uploaded by Llyfrgell Genedlaethol Cymru / The National Library of Wales
