MineArchiveHalkyn District United Mines
An amalgamation of nine former Halkyn Mountain mining companies, whose large-scale 20th-century operations were centred for a period on the Pen-y-Bryn Shaft.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Hendre Mine | Flintshire | 1931–1987 |
| Pen-y-Bryn Mine | Flintshire | ?–? |
Record created: 31 August 2026 · Last researched: 31 August 2026