Reference | Title | Date |
RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
RHP146000/918 | Plans of workings at Ordnance Survey National Grid Reference NT 36/4074 Riggonhead Colliery, Meadowmill Mine, Glencairn Mine, Seton, Blinkbonny, Seton West Mains, Meadowmill, Riggonhead, Thorntree Colliery and Thorntree Mains named on these plans | [20th Century] |