Reference | Title | Date |
RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
RHP146000/895 | Plans of workings at Ordnance Survey National Grid Reference NT 36/3870 Fleets Colliery, Limeylands Colliery, Elphingstone, Barnyard Pit, South Elphingstone, North Elphingstone and Chapel Pit named on these plans. | [20th century] |