https://www.youtube.com/watch?v=8imfX3kZA9Q
All I can see is electricity and running water with men walking in water. A good reminder of how dangerous mining is as an occupation. I would imagine there is no safety inspections in these mines either.
Interesting part at about 4:00 where there is a turnout with only one movable rail.
That's what they call a kickswitch.
You just kick it where you want it to be.
Ton