Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Cynheidre Colliery, photograph
Underground drivage work at Cynheidre Colliery.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
Underground drivage work at Cynheidre Colliery.