Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Oakeley slate quarry, slide
Men at work on underground bridge in the chamber, Oakley slate quarry, Blaenau Ffestiniog. From series 'Slate Mines of North Wales'.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.