Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
National Coal Board, press release
Press release relating to Taff Merthyr Colliery productivity rates. Dated 12th June 1972. One page.
Pwnc
Diwydiant
Rhif yr Eitem
2017.38/87
Mesuriadau
Meithder
(mm): 296
Lled
(mm): 210
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.