Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
National Coal Board, report
N.C.B. reports for the year 1969 relating to East and West Wales Areas, opencast coal mining and market demand for coal. Dated 20 January 1970. 14 pages, stapled.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.