EA141
Argoed
EA157
EA133
Tranch Colliery and Quarries
EA112
British Ironworks Extractive Area
EA140
Glan-y-dwr Quarries
EA138
Swffryd-ganol Quarries
EA131
Aber-byg Colliery
EA127
Craig yr Arail
EA126
Hafod Vane Colliery