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Owners of Laffack Colliery at Parr, near St Helens, from the 1840s, recorded also as J. T. Johnson, J. and J. Johnson and Johnson and Co.
| Mine | Region | Years |
|---|---|---|
| Laffack Colliery | Merseyside | ?–? |
Record created: 4 October 2026 · Last researched: 4 October 2026
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