Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Plan
Plan of mineral taking showing Markham and Llanover Collieries, Markham Steam Coal Co. Ltd., not dated Scale : 6 in to 1 mile
Pwnc
Diwydiant
Rhif yr Eitem
87.243I/75
Mesuriadau
Meithder
(mm): 570
Lled
(mm): 420
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.