Full Details
- Surname
- MASON
- Forename
- John
- Day
- 28
- Month
- 11
- Year
- 1929
- Age
- 28
- Occupation
- Collier
- Mine/Quarry Name
- Llwynhelig
- Mineral Worked
- Coal
- Owner
- D.R. Llewellyn & Sons Ltd
- Location
- Cwmdare
- County
- Glamorganshire
- Details of Event
- Fall of roof – two posts discharged. Died 27th October 1930.
