Reference | Title | Date |
RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
RHP146000/194 | Plans of workings at Ordnance Survey National Grid Reference NS 26/5670 Garscube Colliery, Killermont House, Blackhill, Cawder Cuilt and Sandyflat noted on these plans. | 1960-1961 |