Reference | Title | Date |
RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
RHP146000/879 | Plans of workings at Ordnance Survey National Grid Reference NT 36/3673 Prestongrange Colliery, West Pans, Drum-Mohr, Morrison's Haven, Dolphington Colliery and Wallyford Colliery named on these plans. | 1958-1961 |