Full Details
- Surname
- WHELAN
- Forename
- John
- Day
- 01
- Month
- 10
- Year
- 1909
- Age
- 42
- Occupation
- Mine/Quarry Name
- Graig Merthyr
- Mineral Worked
- Coal
- Owner
- Location
- Pontarddulais
- County
- Details of Event
- At 3.30 am there was another explosion but this time five miners died and one was injured.
