Rock Art Barnard Castle Alloments cup-marked stone, Langleydale Common, Marwood Parish, Teesdale (Marwood) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Durham County Council, Northumberland County Council | 2005 | NADRAP Durham Box File 2 | Rock Art ID # 2015 |
| 2 | Beckensall, S | 1980 to 1997 | Photograph of a cup-marked stone, Langleydale Common, Marwood Parish, Teesdale | |
| 3 | 2005 to 2008 | ERA - England's Rock Art Database | Accessed 27-MAY-2014 |