Mining in Wales fall of Welsh coal mining. It was recorded in the former steelworks town of [[Ebbw Vale]], Wales, and released on 7 July 2017. [[Category:Mining in Wales| ]] [[Category:Economy of Wales]] Mining in Wales Mining in Wales provided a significant source of income to the economy of Wales throughout the nineteenth century and early twentieth century. It was key to the Industrial Revolution. Wales was famous for its coal mining, in the Rhondda Valley, the South Wales Valleys and throughout the South Wales coalfield and by 1913 Barry had become the largest coal exporting port in the world, with Cardiff as
Maritime history of the United Kingdom the Port of Felixstowe). Ships were also simply drawn up on beaches. Over the centuries the relative importance of each port and harbour has changed due to such factors as silting and trade alterations. In later periods deep water access has been a major factor in determining a port's success. In the 18th century there were major harbour improvements with dredging of channels and construction of piers. Wet docks were built at London, Liverpool, Hull and Bristol. London was still the largest port in the 19th century when new docks were built. Cardiff became a major coal exporting port after