Graen - Mary King Sarah
Memories of Dyffryn Nantlle (2)
Memories of Dyffryn Nantlle
Postcards of Pembroke Dock Heritage Centre
Nantlle Railway tunnel, Dorothea Quarry
Dorothea Quarry Graffiti
underground in Dinas Silica mine
underground at Dinas Silica Mine
Underground at Dinas Silica Mine