Full Details
- Surname
- JONES
- Forename
- William R. (injured)
- Day
- 16
- Month
- 11
- Year
- 1937
- Age
- 44
- Occupation
- Rockhand
- Mine/Quarry Name
- Maenofferen Mine
- Mineral Worked
- Slate
- Owner
- Maen Offeren Slate Quarry Co. Ltd
- Location
- Blaenau Ffestiniog
- County
- Merionethshire
- Details of Event
- Two holes charged one ignited when second exploded.
