Reference | Title | Date |
RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
RHP146000/524 | Plans of workings at Ordnance Survey National Grid Reference NS 26/8878 Policy Mines No.1 and No.2, Policy Pits No.2 and No.3, Callendar No.1 Pit, Parkhead, Hallglen and Glen Village noted on these plans. | 1952-1954 |