Millbrook Colliery Company
Owner of the Millbrook levels in the Kendon valley near Crumlin from about 1907, employing 42 men in 1908 and 53 in 1923; its coal wagons carried the company name.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Millbrook Colliery | Caerphilly | 1907–? |
Record created: 11 October 2026 · Last researched: 11 October 2026