Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Plan
Plan showing location Llanover Colliery and position of upcast and downcast shafts at Markham Colliery, Markham Steam Coal Co.Ltd., not dated Scale : 1:2500
Pwnc
Diwydiant
Rhif yr Eitem
87.243I/76
Mesuriadau
Meithder
(mm): 803
Lled
(mm): 1525
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.