Reference | Title | Date |
RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
RHP146000/571 | Plans of workings at Ordnance Survey National Grid Reference NS 26/9260 Fauldhouse No.1 Pit, No.5 Pit, No.6 Pit, No.7 Pit, No.11 Pit (or Conjoint No.1 Pit), Thorntons No.2 Pit, Conjoint No.2 Pit, Eastfield No.3 (Ist) Pit, Crofhead - Eastfield No.1 Pit and Greenburn Pit noted on these plans. | 1958-1961 |