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| Archive Reference / Library Class No. | NCB/E/MAR/3/9 |
| Former Reference | D4774/12/9/24 |
| Title | Files B-C on managers' scheme for planned prevention maintenance scheme, for No. 3 Shaft incident inquiry |
| Date | Aug 1973-Sep 1973 |
| Description | Including copies of past correspondence back to 1960 and report on shafts and shaft maintenance |
| Extent | 2 files |
| Level | File |
| Repository | Derbyshire Record Office |
| Archive Creator | Markham Colliery |
| National Coal Board |
| Format | Document |
| Term | Mining disasters |
| Coal mine accidents |