In 1922 the shafts of Clipstone Colliery were sunk to exploit the Top Hard seam. In the 1950s the shafts were deepened to their current 920m depth to provide access to other seams. After being closed by British Coal in 1993, the colliery was reopened under the control of RJB Mining in April 1994. In the past the mine worked the Top Hard seam and the High Hazles seam. The most recently worked seams are the Yard, at an approximate depth of 870m, and the Deep soft, at an approximate depth of 760m.