Just to clear up this idiocy as a few people have been repeating it this last week and it doesn't take a minute to do - the number of mines open is meaningless on its own. An exhausted pit is not kept open. The majority of these labour closures were for this reason with miners offered relocation or retirement rather then compulsory redundancy and the ones not closed for that reason were restructured into larger pits that were opened up. The exact opposite of the situation with the thatcher/tory closures where mass redundancies came with and were the reason for the closures.
Thanks for this. Been looking for a succinct rebuff