Reference | Title | Date |
RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
RHP146000/448 | Plans of workings at Ordnance Survey National Grid Reference NS 26/8461 Mainbank Colliery, Batonrigg Colliery, Surface Mine, Old Shaft and Air Shaft noted on these plans. | 1962-1965 |