This mine is in the Pennant Sandstone and is in a disused quarry Adjacent to the main and active quarry. Rumour has it that there may be stone mining startng up again although by the look of things the quarry face is going to be taken back another 30 yards.
Calcite flow and a ceiling securing bolt
More ceiling supports
The sheer size of the chambers can be seen in this photo
Calcite flow and a ceiling securing bolt
More ceiling supports
The sheer size of the chambers can be seen in this photo