Record

NCB - National Coal Board, later British Coal Corporation - 1574-1994
- C - National Coal Board North Derbyshire Area - 1956-1989
  - MIN - North Derbyshire Area Mining Department records - 1958-1987
    - 5 - Aperture cards of engineering drawings for North Derbyshire Area collieries - [1969-1985]
      - 1 - Aperture cards of engineering drawings of North East Derbyshire collieries - [1969-1985]

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Archive Reference / Library Class No.	NCB/C/MIN/5/1/17
Former Reference	N39/7/1
Title	Aperture cards of assorted types, including drawings for Markham and Bolsover collieries
Date	[c1970-1992]
Description	Comprising 36 aperture cards, including 2 cards for Markham No. 1, 18 June 1992, 7 cards for Markham No. 3, 14 May 1992, and 8 cards for Bolsover No. 3, 8 May 1992
Extent	1 bundle
Level	File
Repository	Derbyshire Record Office
Full Catalogue List	Click here to view a full list for this collection
Archive Creator	National Coal Board

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