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| Archive Reference / Library Class No. | NCB/E/MAR/3/19 |
| Former Reference | D4774/12/9/44 |
| Title | Duplicate Safety in Mines Research Experiment report, for Markham No. 3 Shaft incicent inquiry |
| Date | Oct 1973 |
| Description | With particular reference to strain measurements on part of braking system at Markham Colliery |
| Extent | 1 file |
| Level | File |
| Repository | Derbyshire Record Office |
| Archive Creator | Markham Colliery |
| National Coal Board |
| Format | Document |
| Term | Mining disasters |
| Coal mine accidents |