Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
O.S. map of Monmouthshire
O.S. Map Second Edition 1901. Monmouthshire sheet XXIII.2 Pontypool. Scale 1/2500 or 25.344 inches to a statute mile or 208.33 feet to an inch. Shows Glyn Colliery and Balance pit, also Blaendare Brickworks.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.