Lloyd's Navigation Steam Coal Co. Ltd
The company that restarted work at Gelligroes Colliery near Pontllanfraith early in 1914, until the war stopped it; the pit was abandoned in 1915.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Gelligroes Colliery | Caerphilly | 1914–1915 |
Record created: 1 October 2026 · Last researched: 1 October 2026