Reference | Title | Date |
RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
RHP146000/826 | Plans of workings at Ordnance Survey National Grid Reference NT 36/3263 Polton Colliery, Lingerwood Colliery, Arniston Colliery, Lady Victoria Colliery, Dalhousie Castle, Lingerwood Farm, Cockpen Farm, Newtongrange Gas Works, Newtongrange Church, Newbattle School, Dalhousie Mains, Old Cockpen Kirk and Newtonloan Toll named on these plans. | 1959-1980 |