Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
South Wales Collieries, plans of coal seams
Plans of coal seams worked by South Wales Collieries, 1867-1964
Pwnc
Diwydiant
Rhif yr Eitem
87.176I/6
Derbyniad
Collected officially, 2/10/1987
Mesuriadau
Meithder
(mm): 733
Lled
(mm): 858
Deunydd
papur
pren
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.