| Reference | Title | Date |
| RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
| RHP146000/133 | Plans of workings at Ordnance Survey National Grid Reference NS 26/4821 Killoch Colliery, Corselet, Pennymore, Cowhillan, Carston, Watson and Poole noted on these plans. | 1970-1979 |