Lead Workings at Chester Sike, Forest & Frith (Forest-in-Teesdale) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Wilcock, D | 1996 to 1998 | IRIS (Index Record for Industrial Sites) Survey Archive | 83153 |
| 2 | Gledhill, T, Nichol, R, English Heritage | 2000 to 2003 | Scheduled Monument (SM) and Monuments Protection Programme (MPP) Files | |
| 3 | Coggins, D | 1984 | The Archaeology of Early Settlement in Upper Teesdale County Durham | p.116, no.66 |
| 4 | Coggins, D | 1986 | Upper Teesdale: The Archaeology of a North Pennine Valley | p.90, no.66 |
| 5 | Ordnance Survey | 1856 to 1865 | First Edition Ordnance Survey Map | 6", Durham 30, 1861 |
| 6 | Newcastle City Archaeology Unit, Truman, L | 01-Jan-1994 to 31-Dec-1994 | RCHME: North Pennines Industrial Archaeology Project |