Heugh Hall Colliery, Cassop-Cum-Quarrington (Coxhoe) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Turnball, P, Jones, R | 1978 | The archaeology of the coal measures and the magnesian limestone escarpment in Co. Durham | Coxhoe, Industrial Archaeology, P.173, NZ 33 NW |
| 2 | Unknown | Historic England Aerial Photographs Collection | RAF/106G/UK/1038 5068 27-NOV-1945 |