coal

The constuction of Firbeck Colliery began in 1923 by the Firbeck Main Colliery Company Ltd with the sinking of the two shafts, mining began in 1925 on the Barnsley Bed Seam, this seam would end up been the only one worked by Firbeck in it's rather short career. In 1934 the Firbeck Pit Head...

Thorsby Colliery, A little delay but here we are, Slight wikipedia copyright but I'll credit below Thoresby colliery opened in 1925, The first two shafts in 1925 were sunk to 690 metres (2,260 ft). The shafts were deepended by 109 metres (358 ft) in the 1950s. After privatization of the...