Reference | Title | Date |
RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
RHP146000/815 | Plans of workings at Ordnance Survey National Grid Reference NT 36//3098 Balgonie Colliery, Tullybreck, Branxton Mine, Railway Mine, Julian Pit, Windmill Pit and Mill Pit named on these plans. | 1956-1961 |