Presteigne Petrol Pump
Parc Howard excavation, Llanelli
Parc Howard, Llanelli excavation
Graen - Mary King Sarah
Nantlle Railway tunnel, Dorothea Quarry
Quarryman graffiti
Inscription J.T.H 1939
underground in Dinas Silica mine
underground at Dinas Silica Mine
Underground at Dinas Silica Mine