Underground at Betws Mine
20:12
National Coal Board 1975 Training Film For New Miners (NCB)
17:31
“SAFETY IN LONGWALL MINING” 1970S COAL MINE SAFETY TRAINING FILM XD49364
15:16
A Trip Down Maltby Shaft
7:11
The Unforgiving Lives of Welsh Miners | Everyday Life
14:59
PSD Betws Blind Shaft
12:59
Inside Sri Lanka’s Deadly Underground Mines Filled With Rare Jewels | Risky Business | Insider
29:52
1990s : Coal with 37/56/60s in South Wales. Part 1.
1:28:01