| Reference | Title | Date |
| RHP146000 | National Coal Board Inspectorate plans of workings | 1957- |
| RHP146000/529 | Plans of workings at Ordnance Survey National Grid Reference NS 26/8895
Devon Colliery, Meta Mine, Westhaugh Shaft, Stair Shaft, Hennings Shaft, Meta Shaft, Crophill Shaft, Howetown Shaft, Hunters Shaft, Jabob's Shaft, Birchwood Shaft, Horse Shaft, Parritch Shaft, David Cook's Shaft, Sauchie No.1 and No.2 Shafts, Bruce's Shaft, Auchinbaird Mid Shaft, March Shaft, Collyland Shaft, Fiddleduff Shaft, Fishcross, Fiddleduff, Westhaugh, Diverswell and Howetown noted on these plans. | 1953-1961 |