Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Cynheidre Colliery, photograph
Construction in progress at the new Cynheidre Colliery showing No.1 Shaft, and surface installation nearing completion.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.