GORSEDDAU SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
MAENOFFEREN;MAEN-OFFEREN;MAEN Y FFEREM;MAEN OFFEREN SLATE MINE, BLAENAU FFESTINIOG Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
MAENOFFEREN;MAEN-OFFEREN;MAEN Y FFEREM;MAEN OFFEREN SLATE MINE, BLAENAU FFESTINIOG Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
MAENOFFEREN;MAEN-OFFEREN;MAEN Y FFEREM;MAEN OFFEREN SLATE MINE, BLAENAU FFESTINIOG Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
MAENOFFEREN;MAEN-OFFEREN;MAEN Y FFEREM; CHWAREL LECHI MAEN OFFEREN, BLAENAU FFESTINIOG Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
DINORWIC SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
DINORWIC SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
DINORWIC SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
DINORWIC SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
DINORWIC SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
DINORWIC SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
DINORWIC SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
DINORWIC SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
DINORWIC SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
DINORWIC SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
DINORWIC SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
DINORWIC SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
DINORWIC SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
BRYN HAFOD-Y-WERN SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
DOLPISTYLL SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
FRIOG QUARRY, ARTHOG;GOLEUWERN SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
FRIOG QUARRY, ARTHOG;GOLEUWERN SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
BRYNEGLWYS SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
BRYNEGLWYS SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
BRYNEGLWYS SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
BRYNEGLWYS SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
BRYNEGLWYS SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
Llangynog Slate Quarry c1921 Type Item Uploaded by Rhyfel Byd Cyntaf: Prosiect Addysg - First World War: Education Project
Llangynog Slate Quarry c1921 Type Item Uploaded by Rhyfel Byd Cyntaf: Prosiect Addysg - First World War: Education Project
PENRHYN SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
