Reference | Title | Date |
RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
RHP146000/734 | Plans of workings at Ordnance Survey National Grid Reference NT 36//1696 Mary Colliery No. 1 and No. 2 Shaft, Lochore and Crosshill named on these plans. | 1958-1966 |