Reference | Title | Date |
RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
RHP146000/554 | Plans of workings at Ordnance Survey National Grid Reference NS 26/9076 Redding Colliery, Redding No.23 Pits, Burnside, Prince Pit, Glenhead, Frew's Pit, Brothers Pit, Shieldhill No.6 and No.7 Pits, Middlerigg and Gutterhole Shaft noted on these plans. | 1955-1956 |