PENRHYN SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
ABERLLEFENNI SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
CWMORTHIN QUARRY (SLATE) Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
CWMORTHIN QUARRY (SLATE) Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
CYMERAU QUARRY (SLATE), SOUTH Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
MOELWYN SLATE MINE Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
DRUM QUARRY, FFESTINIOG Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
CLOGAU QUARRY (SLATE) Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
RHIW-BACH SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
PENARTH SLATE QUARRY, CORWEN Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
GLANAFON QUARRY, CAPEL GARMON Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
GLANAFON QUARRY, CAPEL GARMON Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
CROESOR SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
RHOSYDD SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
ABERCWMEIDDAW SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
BRYN GLAS QUARRY, BLAENAU FFESTINIOG Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
RHOSYDD SLATE QUARRY, TRANSPORT FEATURES Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
GLYN RHONWY QUARRIES COMPLEX 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
GAEWERN QUARRY (SLATE) Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
PRECELLY QUARRY;BELLSTONE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
GORSEDDAU SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
ABERLLEFENNI SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
DINAS MAWDDWY SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
LLECHWEDD SLATE QUARRIES Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
RATGOED QUARRIES (SLATE) 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
CWM MACHNO SLATE QUARRY;PENMACHNO SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
CROESOR SLATE QUARRY Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
GAEWERN QUARRY (SLATE) Type Item Uploaded by Royal Commission on the Ancient and Historical Monuments of Wales
