Various surface workings continued in the 1920s as additional veins were discovered.
2.
Extensive surface workings also extend south and west of the described area.
3.
As the mine developed, so did the surface workings.
4.
OSI and GSI records show the locations of shafts and surface workings for Lisdrumgromly and Annaglogh.
5.
These surface workings follow the line of the Harding Vein, the most productive part of the mine.
6.
Good quality coal was being produced from surface workings and sent down the turnpike road to Galloway.
7.
Draethen Woods contain a number of former lead mining sites and surface workings dating back to at least Roman times.
8.
In some rare instances, such as Moel Fferna, there is no trace of surface workings and the workings were entirely underground.
9.
On 28 November 2007, the owners of the mine successfully challenged the regeneration plan developed by Kerrier District Council for the area around the surface workings.
10.
During periods of intermittent production between 1893 and 1957, an estimated 525t Sn, 255t W03 and 71t Bi have been recovered from the underground and surface workings at this mine.
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