Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
NCB (Production) Codes and Rules. Tips. (booklet)
Full title - NCB (Production) Codes and Rules. Tips. First Draft 1971. Content summary - Statutory and N.C.B. codes and rules relating to coal tips. 82 page booklet in green covers.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.