Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
O.S. map of Glamorgan & Brecknockshire
O.S. map Brecknock Sheet XLIII.11 / Glamorgan Sheet III.11. Showing the location of Hendre -Ladis Colliery in the Upper Swansea Valley, 1877. 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.