Showing all 6 results Select options Criggion Quarry, Breidden Hills on the mid wales border, between Powys and Shropshire Select options Criggion Quarry, Breidden Hills on the mid wales border, between Powys and Shropshire Select options Criggion Quarry, Breidden Hills on the mid wales border, between Powys and Shropshire Select options Criggion Quarry, Breidden Hills on the mid wales border, between Powys and Shropshire Select options Dinorwic slate quarry, Llanberis, Gwynedd, north Wales Select options Slate quarry in Blaenau Ffestiniog, Gwynedd, North Wales