MineArchiveLong Meg Plaster and Mineral Company Ltd.
Reopened the mine in 1922 to work anhydrite rather than gypsum, and was bought out by British Plaster Board Ltd. in 1939. Its deputy chairman, William Steuart Trimble, gave his initials to the mine locomotive W.S.T.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Long Meg Mine | Cumbria | 1922–1939 |
Record created: 5 September 2026 · Last researched: 5 September 2026