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Archive Reference / Library Class No.D1920/2/12/54
Former ReferenceA485/2
TitleSmall Mines
Date1967-1981
DescriptionCorrespondence concerning disputes at Small Mines.
Extent1 file
LevelFile
RepositoryDerbyshire Record Office
Archive CreatorNational Union of Mineworkers (NUM) Derbyshire Area
Administrative HistoryUnder Section 36 of the Coal Industry Nationalization Act 1946, which stipulated the circumstances under which the National Coal Board (NCB) would grant licences to small mines, a small mine is defined as one where 'the number of persons to be employed therein below ground is at no time likely to exceed, or greatly to exceed, thirty' or where 'coal is present amongst other minerals that appears to the Board to be of so small value that the working thereof is unlikely to be taken otherwise than as ancillary to the working of those other minerals'.
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