MineArchiveButtermere Green Slate Company
The company associated with Honister and the Lakeland green slate trade through much of the 20th century, before the mine passed into larger ownership and closed.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Dubs Quarry | Cumbria | ?–? |
| Honister Slate Mine | Cumbria | 1900–1980 |
| Parrock Quarry | Cumbria | 1890–1930 |
Record created: 24 August 2026 · Last researched: 24 August 2026