Full Details
- Surname
- WHELAN
- Forename
- John
- Day
- 01
- Month
- 10
- Year
- 1909
- Age
- 42
- Occupation
- Miner
- Mine/Quarry Name
- Birchrock (Graig Merthyr)
- Mineral Worked
- Coal
- Owner
- Cory, Yeo & Co.
- Location
- Pontarddulais
- County
- Glamorganshire
- Details of Event
- Five miners died and one was injured in an explosion
