Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
O.S. map of Blaenavon
O.S. Map edition of 1920. Monmouthshire Sheet XII9. Scale 1/2500 being 25.344 inches to a statute mile or 208.33 feet to one inch. Showing Blaenavon and Blaenavon Iron & Steel Works.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.