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Thanks Richard your posting is correct and interesting;
Thanks Brian, you also are right, Kent coal was, sorry, is, some of the best coking coal in Europe.
Kent coal was used for steam and at the Power Station, with a high calorific value that was 14 times better than the Notts coal.
,,,,,,,,,,,,,Another fact is that Notts coal seams we're around 10 to 12 ft high, where as Kent's, was 3 to 4 ft high at best................
................It was harder to win our coal..................................