Recently there was long thread about the BCA. I can now post possible answers to some of the questions, such as "Why is the BCA still raising membership prices when there is a significant amount still left in its coffers?"
Not underground (but the mines get mentioned) - think this may be of nterest to some:
https://www.bbc.co.uk/iplayer/episode/b0bsrqky/pubs-ponds-and-power-the-story-of-the-village-series-1-east-midlands
