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The photo shows the scene after a schoolboy had fallen down the flooded shaft of the abandoned pit in the late 1920's.
Sunk during the early 1830's by Crawshay Baily.
There was an underground explosion in 1837, which killed 8 persons including a young woman and a girl aged 13.
Crawshay Baily's collieries had a particularly bad name as far safety and working conditions was concerned. He still employed women underground as late as 1850 even thought this had been outlawed by an act of Parliament in 1842. He was prosecuted after a fatal accident at one of his collieries when the single winding chain snapped. This was after the Mines Inspectorate had insisted that chains should be doubled.
An explosion at this pit in 1847 caused by an unguarded candle flame claimed the lives of seven miners.
Later the running of this colliery was taken on by Coalbrook Vale Colliery Co. who also owned Coke Yard and Ffosmaen collieries.
From the Inspector of Mines list 1896, these three collieries combined employed 631 men producing coal from the Old coal, Byddeg and New Vein seams.
In 1908 there were 116 men employed at the Deep pit.
Later taken over by Silvanus Jones & Co. Ltd., who opened up a drift mine nearby.;
In 1918 the Deep Pit and the Drift employed 158 men between them.
From a list 1923 there were 207 men employed, producing Steam and Manufacturing coal from the New and Lower Big vein.
Closure date unknown.