4/9 | 15/08/01 15:21 | mine sough entrance |
The network of underground tunnels (soughs) was used to transport coal from the mines between Leigh, Bolton and Walkden
| 4/9 | 15/08/01 15:21 | mine sough entrance |
The network of underground tunnels (soughs) was used to transport coal from the mines between Leigh, Bolton and Walkden
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