Recent postings that may be of mining interest -

Several on Peak District forum:
https://ukcaving.com/board/index.php?board=4.0

Some on Wales:
https://ukcaving.com/board/index.php?board=7.0

Devon & Cornwall:
https://ukcaving.com/board/index.php?board=20.0

Caving in the media:
https://ukcaving.com/board/index.php?board=74.0

& Plenty of older stuff scattered amongst the other headings.