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https://pure.royalholloway.ac.uk/en/publications/the-link-between-fluids-and-rank-variation-in-the-south-wales-coa/ The link between fluids and rank variation in the South Wales Coalfield: evidence from fluid... south wales coalfieldthe linkfluidsrankvariation https://research.aber.ac.uk/en/publications/the-mixed-economy-of-care-in-the-south-wales-coalfield-c1850-1950/ ‘The Mixed Economy of Care in the South Wales Coalfield, c.1850-1950’ - Aberystwyth University in the southmixed economyaberystwyth universitycarewales