Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
O.S. Map of Tondu
Glamorgan Sheet XXXIV.2, Tondu, showing Maes-Y-Bettws Colliery and Gelli-Sinel Colliery [both disused]. Map size 25", second edition 1899. Scale 1/2500 being 25.344 inches to a statute mile or 208.33 feet to one inch.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.