Millings Shop, Lang Hurst, Cronkley Fell, Lunedale (Lunedale) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Ordnance Survey | 1856 to 1865 | First Edition Ordnance Survey Map | 6", Yorkshire 1, 1856; IRIS gives 6" Yorkshire 1, 1854 |
| 2 | Ordnance Survey | 1990 to 2000 | Ninth Edition Ordnance Survey Map | |
| 3 | Wilcock, D | 1996 to 1998 | IRIS (Index Record for Industrial Sites) Survey Archive | 82025 |
| 4 | Newcastle City Archaeology Unit, Truman, L | 01-Jan-1994 to 31-Dec-1994 | RCHME: North Pennines Industrial Archaeology Project | |
| 5 | Ordnance Survey | 1894 to 1899 | Second Edition Ordnance Survey Map | 6" Yorkshire 1, 1891 |