Reference | Title | Date |
RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
RHP146000/391 | Plans of workings at Ordnance Survey National Grid Reference NS 26/8092 Polmaise Colliery, Muirton, Loanhead, Kerse Mill, Millhall, Springkerse and Whitehouse noted on these plans. | 1954-1957 |