Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Western Colliery, plan
Plan titled 'Western Colliery. Workings in the Two Feet Nine Seam, North Side'. Scale 1 inch to two chains.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.