build Derbyshire Key required.
As described for Hillocks but use stile in the wall on the north side of the lane leading into copse. Engine shaft entrance is over the stile at far left corner of copse into field on the north side. Large spanner needed for both lids. Description and survey from Crewe CPC. Do not leave the lids to any shafts open when not attended because livestock and the public will be at risk.