Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Groesfaen Colliery, slide
View of Groesfaen Colliery with workshops on the right and pit head baths on upper left.
Pwnc
Diwydiant
Rhif yr Eitem
2017.6/1234
Mesuriadau
Meithder
(mm): 50
Lled
(mm): 50
Uchder
(mm): 3
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.