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Mar 1949 - Ballarat Seam, North District, Wooley Colliery
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Mar 1949 - Ballarat Seam, North District, Wooley Colliery
Wooley Colliery, Co. Durham, where the average thickness of coal is 2 feet 1 inch, produced 156,500 tons during 1948 — 4,000 tons more than target. The picture is of the Ballarat Seam, North District, worked by pneumatic picks.
(Coal Magazine)
Image Reference: w0211949
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