MineArchiveAberdovey Slate Company
Formed in 1863 by Manchester mill owners led by William McConnel to take over and expand Bryn Eglwys quarry, investing heavily in infrastructure and building the model village of Abergynolwyn for its workforce.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Bryn Eglwys Quarry | Gwynedd | 1863–1879 |
Record created: 30 August 2026 · Last researched: 30 August 2026