Reference | Title | Date |
RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
RHP146000/479 | Plans of workings at Ordnance Survey National Grid Reference NS 26/8654 Kingshill No.3 Colliery, Bentyhillocks No.2 bore and Queenshill bore noted on these plans. | [c1955] |