Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
South Wales coalfield, map
Map showing South Wales Coalfield, Mineral takings of lessees of the No.2 Rhondda & bituminous seam (not dated). Scale : 1" to 1 mile.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.