Butterknowle and Cockfield Coal Company
The company that opened and worked Blackton Colliery in Baldersdale, County Durham, from 1921 to 1927.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Blackton Colliery | County Durham | 1921–1927 |
Record created: 23 October 2026 · Last researched: 23 October 2026