HENLLYS VALE COAL MINE AND QUARRY,CWMLLYNFELL
COAL LEVELS, MAES MAWR, PONTYBEREM
TREFRAN CLIFF COLLIERY; TREFRANE CLIFF COLLIERY
TOWER DRIFT MINE, HIRWAUN
TOWER COLLIERY;NO. 4 COLLIERY, HIRWAUN
BRYN DEFAID COAL MINE
CWM PIT COLLIERY, ABERCANAID
BERSHAM COLLIERY, WREXHAM
CWMDU AIR SHAFT COLLAPSED WORKINGS
BRYNAMMAN OPENCAST WORKINGS
PEMBROKE POWER STATION