Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Mardy Colliery, photograph
Aerial view of Mardy Colliery and reservoir. Inscription typed on label, and National Coal Board stamp on reverse.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.