Worked steam coal in Lowe and Middle Coal Measures at 60m depth.
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Publications (1)
- (2000); WMS Newsletter Issue 42 Apr; 8 pages
Colliers Row Old Level - 568m
Colliers Row New Level - 571m
Glyndyrys - 695m
Cwmglo - 818m
Lucy Thomas - 1,130m
Coedcae Colliery - 1,135m
Cwm Colliery - 1,147m
Garw Pit - 1,431m
Waunwyllt Colliery Old - 1,501m
Abercanaid Colliery - 1,512m
Clynmil Colliery No 2 Pit - 1,589m
Clynmil Colliery No 1 Pit - 1,598m
Clynmil Colliery Drift - 1,608m
Merthyr Tydfil ironworks - 1,717m
Cwmdu Colliery Main Drift - 1,836m
Cwmdu Colliery Pit - 1,935m
Waunwyllt Colliery New - 1,966m