Rhagolwg argraffu Cau
Dangos 3 canlyniad
Disgrifiad archifolStatistics of slates transported by ship and rail from Porthmadog,
Statistics of slates transported by ship and rail from Porthmadog,
Porthmadog slate traffic,
Porthmadog slate traffic,
Porthmadog Harbour,
Porthmadog Harbour,