| Ref No | SWCC/PHO/COL/116 |
| Title | Unidentified collieries: photographs taken underground, indicating where safety improvements are needed or safety features which are particularly good |
| Date | c 1950 |
| Subject | Coal mining |
| Underground |
| Safety |
| Physical Description | Black and white originals |
| Extent | 9 photographs [167mm x 120mm(5); 145mm x 120mm(2); 107mm x 120mm(1); 210mm x 158mm(1)] |