Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
National Coal Board, press release
Press release relating to record productivity rates at Marine Colliery. Dated 20 August 1980. One page.
Pwnc
Diwydiant
Rhif yr Eitem
2017.38/169
Mesuriadau
Meithder
(mm): 296
Lled
(mm): 210
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.