| DocRefNo | CR3323/34 |
| Level | Item |
| Extent | 1 file |
| Title | Two Yard Seam comparison |
| Date | 1944 |
| Description | Comparison of face workers between working with 100% wood roof supports and 100% steel roof supports. |
Show related Persons records.
Persons
| Code | PersonName | Dates |
| GB/187/N0013 | Griff No. 4 Colliery; 1885-1960 | 1885-1960 |