Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Ordnance survey map 1:2,500
OS map: Rhymney Valley, Rhymney Merthyr Colliery. Glamorgan Sheet XII.8, Monmouth Sheet XVI.8 [photocopy]. 25", [1900 ed.] Scale - 1/2500 or 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.