Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
National Coal Board, press release
Press release relating to the 'Joint Production Drive aimed at increasing output from South Wales mines by up to 35,000 tons a week'. Dated 20 June 1974. Two pages, stapled.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.