MineArchiveLondonderry Collieries Ltd
The Londonderry family's coal-mining company, which developed Seaham Colliery from 1849 and Dawdon Colliery from 1899, operating both until the 1947 nationalisation of the coal industry.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Dawdon Colliery | County Durham | 1899–1947 |
Record created: 27 August 2026 · Last researched: 27 August 2026