Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
National Coal Board, press release
Press release relating to a large scale exploration programme in south Wales to identify 'additional reserves of coking and anthracite coal'. Dated 24 February 1975. One page.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.