Reference | Title | Date |
RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
RHP146000/131 | Plans of workings at Ordnance Survey National Grid Reference NS 26/4819 Killoch Colliery, Lessnessock, Holehouse, Glenconner and Rottenrow noted on these plans. | 1960-1984 |