Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Llanberis (Dinorwic) Slate Quarry, plan
Llanberis (Dinorwic) Slate Quarry Museum. Ground floor plan and elevations. Sheet 1 of 7, date of survey July 1976, surveyed by Plowman craven and Associates. Survey Job No. 24694, drawn P.C.A, scale 1:100
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.