Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
South Wales Collieries, plans of coal seams
Plan of Bargoed Colliery North Section. Details of Bargoed North and South pit and Markham South pit. Scale 1/2500. In Compliance with the coal mines Surveyors and plans general regulations 1956, workings in other seams within a distance of 40yds vertically are:- lower 4'-0" seam.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.