| DocRefNo | CR3418/225/1 |
| Level | Piece |
| Extent | 1 plan |
| Title | Workings in the Two Yard Seam |
| Date | 1917 |
| Description | Shows workings to 1941. Note from E. Bishop, Group Surveyor: 'This plan appears to be the original for the Two Yard workings of Clara Pit', September 1962. Also shows section of strata, 1891. |
| AdminHistory | NCB roll number: 92 |
Show related Persons records.
Persons
| Code | PersonName | Dates |
| GB/187/N0012 | Griff Clara Colliery; 1895-1955 | 1895-1955 |