| Ref No | SWCC/PHO/COL/75 |
| Title | Onllwyn Colliery: photograph taken at the centenary ceremony of Griffith Johns birth (missionary to China). |
| Description | Photograph taken outside building at Onllwyn No3 Colliery. [3 of the photographs are enlargements of sections of the original photograph] |
| Date | c 1930 |
| Subject | Coal mining |
| Physical Description | Black and white reprints |
| Place_Code | ANW/PLACE/1724 |
| Extent | 4 photographs [258mm x 173mm(3); 157mm x 241mm(1)] |