"Ferney Bed" shaft being sunk in 1909:
https://www.flickr.com/photos/368917...98857/sizes/k/
It was coaling within 5 weeks of the first sod being cut.
On the DMM site the shaft log shows 41cm of coal at 14.43 metres and 107cm of coal at 23 metres depth.
Shallow stuff.
Some sort of cage contraption attached to that winch. Wouldn't get me in that, even if it was just 70 ft. deep.
