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Amgueddfa Cymru – Museum Wales
Plan printed in black ink on off-white paper. Some areas of the plan have been highlighted using green and brown ink. Holes punched on top left hand side of plan. 'National Coal Board S.W. Division. Area No 9 Abernant Colliery. Plan Showing Extent of Colliery Take & Contours in Big Vein' Scale : 1:10560 Dated 19.10.54.
