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Amgueddfa Cymru – Museum Wales
Bedwas Colliery area, section of the Carboniferous Succession, undated. Line of section AA' showing generalised Geological Structure. Scale: 1:2500, 6 inches to a mile with map and with section of the Carboniferous succession in the Bedwas Colliery Area. Vertical scale for section 1 inch = 300 feet vertical section abstract from regional memoir, institute of Geological sciences.
