This video might also be of interest.
Fred Dibnah's Industrial Age S01 E04 Mining
https://www.youtube.com/watch?v=mXuzIhZbwcg
National Coal mining Museum 2:17
Lady Victoria Colliery 6:32
Killhope Mining museum 10:06
Wet Earth Colliery 13:38
Geevor/Levant tin mine 17:00
Big Pit Museum 19:46
Llechwedd Slate mine 24:08