Castle Eden Rifle Range (Castle Eden) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Whellan, F | 1894 | History, Topography and Directory of the County Palatine of Durham | |
| 2 | Ordnance Survey | 1894 to 1899 | Second Edition Ordnance Survey Map | |
| 3 | 1951 to 1959 | Fifth Epoch Ordnance Survey Map | ||
| 4 | Unknown | 2010 | Durham County Council Digital Vertical Aerial Photograph Collection 2010 |