In later years, the coal produced at the colliery was removed via the Clockburn Drift, which connected underground with the Marley Hill workings, and emerged about two miles from the shafts, on the south bank of the River Derwent.
In later years, the coal produced at the colliery was removed in diesel-hauled sets of tubs via the Clockburn Drift, which opened in 1952 and connected underground with the Marley Hill workings. This emerged about two miles from the shafts, on the south bank of the River Derwent.