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Archive Reference / Library Class No.NCB/E/MAR/12/11
Former ReferenceN40/12/3
TitleMarkham Collliery No. 2 plan of support rules for Dosco Continuous Miner Faces in Deep Soft Seam
Date[mid 20th cent]
DescriptionRules in force from 29 Nov 1957. Showing general instructions, plans for method of support, scale 8 feet to 1 inch, and sections for stages 1-4, scale 4 feet to 1 inch.
Extent1 outsize item
LevelItem
RepositoryDerbyshire Record Office
Archive CreatorMarkham Colliery
National Coal Board
FormatMap/Plan
Dimensions79cm x 60cm
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