Rennygill Bridge (Lunedale) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Wilcock, D | 1996 to 1998 | IRIS (Index Record for Industrial Sites) Survey Archive | 82042 |
| 2 | Wilcock, D | 1998 | Personal comment by Don Wilcock 1998 | |
| 3 | Ordnance Survey | 1856 to 1865 | First Edition Ordnance Survey Map | |
| 4 | Durham County Council | Durham County Council Department of Environment Bridge Survey | Number 1043 |