Cassop (Cassop) - 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 | Cassop, Industrial Archaeology, P.171, NZ 33 NE |
| 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 | Cassop, Industrial Archaeology, P.171, NZ 33 NE |