MineArchiveSir B. Samuelson & Co. Ltd
The Middlesbrough ironmaster Sir Bernhard Samuelson's company, recorded as holding Spa Wood from 1889 until 1922, the mine's longest single tenure.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Slapewath Ironstone Mine | North Yorkshire | 1880–1906 |
| Spa Wood Mine | North Yorkshire | 1889–1922 |
Record created: 12 September 2026 · Last researched: 12 September 2026