| Reference | Title | Date |
| RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
| RHP146000/206 | Plans of workings at Ordnance Survey National Grid Reference NS 26/6012 Knockshinnoch Castle Colliery, Seaforth Colliery, South Boig, Laigh Park Bank House and West park noted on these plans. | 1957-1966 |