Bald Crag (Mickle Fell) Sheepfold (Lunedale) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Ordnance Survey | 1856 to 1865 | First Edition Ordnance Survey Map | Yorkshire 1, 1854 |
| 2 | Ordnance Survey | 1894 to 1899 | Second Edition Ordnance Survey Map | Yorkshire 1, 1891 |
| 3 | Wilcock, D | 1996 to 1998 | IRIS (Index Record for Industrial Sites) Survey Archive | 82018 |