J. & J. Charlesworth
The Wakefield-based firm that opened Kilnhurst's Swallow Wood seam in 1917 and prepared the Parkgate seam, which entered production in 1923.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Kilnhurst Colliery | South Yorkshire | 1917–1923 |
| Robin Hood Colliery | West Yorkshire | 1854–1946 |
| Rothwell Haigh Colliery | West Yorkshire | ?–? |
| Warren House Colliery | South Yorkshire | ?–? |
| Warren Vale Colliery | South Yorkshire | 1850–? |
Record created: 2 September 2026 · Last researched: 2 September 2026