Reference | Title | Date |
RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
RHP146000/618 | Plans of workings at Ordnance Survey National Grid Reference NS 26/9496 Sheardale, Upper Sheardale, Brick Row, Loanhead, Lawmuir, Sheardale House, Sheardale No. 1 shaft, Old Shaft (Fishwicks Pit), Old Shaft (Well Holes Pit), Howe Shaft and Old Shaft (Couts Pit) named on these plans. | 1963 |