Reference | Title | Date |
RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
RHP146000/478 | Plans of workings at Ordnance Survey National Grid Reference NS 26/8653 No colliery names listed on these plans. Bentyhillocks No.1 bore and Gair No.1 bore noted on these plans. | 1955-1958 |