Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
National Coal Board, press release
Press release relating to Trelewis Drift Mine productivity rates. Dated 25 October 1978. Two pages, stapled.
Pwnc
Diwydiant
Rhif yr Eitem
2017.38/155
Mesuriadau
Meithder
(mm): 296
Lled
(mm): 210
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.