Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Coal News (newspaper)
16-page Newspaper/journal "Coal News Western Edition" Dec.1987. The front page article is about the New Drift at Point of Ayr Colliery.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.