G. R. Lewis
Griffith Lewis, owner of the small Old Castle level above Tonna, near Neath, at the time of the gassing of two colliers in August 1913.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Old Castle Colliery (Tonna) | Neath Port Talbot | 1913–? |
Record created: 21 October 2026 · Last researched: 21 October 2026