Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Oakdale Colliery. A Summary of the Reorganisation Project.
Summary of reorganisation projects including the merger of Markham and Celynen North Collieries, stage II, October 1975. Includes several plans, printed in black ink, with some details drawn in or highlighted in colour.
Pwnc
Diwydiant
Rhif yr Eitem
1996.19/24
Mesuriadau
Meithder
(mm): 298
Lled
(mm): 214
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.