Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
O.S. map of Builth
Ordnance Survey of England and Wales, Builth. Embossed. Sheet 196. Scale of one inch to a statute mile = 1/63360.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.