Monday, 10 May 2010

Mostyn Colliery

Mostyn Colliery was a pioneering coal mine in Flintshire, North Wales, which was owned in the later part of its operating life by the influential Mostyn family.The Welsh writer Thomas Pennant wrote that the mines at Mostyn were established as far back as 1261, during the reign of Edward I. Records show that in 1294, together with a stone quarry, the mine had a value of £5 annually, and in 1423 were worth on their own £3 6s 8d.

In the early years, coal was removed from the colliery site by boats, which approached the quayside at high water. However, the changing river bed meant that a partial canal was dug to ensure safe passage.

Records show that Thomas Cowper and Richard Mason of London leased Mostyn Colliery in 1594.Records suggest that by the 17th century Mostyn was possibly the largest colliery on the Western seaboard of Britain. It certainly seems to have been the most profitable in the North Wales coalfield.

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