Barry, Vale of Glamorgan dock basin was opened in 1889 to be followed by two other docks and extensive port installations. The Barry Railway brought coal down from the South Wales Valleys to the new docks whose trade grew from one million tons in the first year, to over nine million tons by 1903. The port was crowded with ships and had flourishing ship repair yards, cold stores, flour mills and an ice factory. By 1913, Barry was the largest coal exporting port in the world. Behind the docks rose the terraced houses of Barry which, with Cadoxton, soon formed a sizeable town. The
Coal mining in the United Kingdom Wales, Yorkshire, the Scottish Central Belt, Lancashire, Cumbria, the East and West Midlands and Kent. Stone and Bronze Age flint axes have been discovered embedded in coal, showing that it was mined in Britain before the Roman invasion. Early miners first extracted coal already exposed on the surface and then followed the seams underground. It is probable that the Romans used outcropping coal when working iron or burning lime for building purposes. Evidence to support these theories comes mostly from ash discovered at excavations of Roman sites. There is no mention of coal mining in the Domesday Book of 1086