Reference | Title | Date |
RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
RHP146000/834 | Plans of workings at Ordnance Survey National Grid Reference NT 36/3272 Olivebank Colliery, Newcraighall Colliery, Newhails and Wanton Walls named on these plans. | 1961-1967 |