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| Archive Reference / Library Class No. | D1920/1/2/214 |
| Former Reference | A491/3 |
| Title | Demarcation dispute: National Union of Mineworkers (NUM) and NACODS (National Association of Colliery Overmen, Deputies and Shotfirers) |
| Date | 1981-1982 |
| Description | Correspondence concerning a dispute over lines of demarcation in relation to membership between the National Union of Mineworkers (NUM) and NACODS (National Association of Colliery Overmen, Deputies and Shotfirers). |
| Extent | 1 file |
| Level | File |
| Repository | Derbyshire Record Office |
| Archive Creator | National Union of Mineworkers (NUM) Derbyshire Area |