Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Tredegar Iron & Coal Co Ltd., plan
Tredegar Iron & Coal Co Ltd., plan showing Mountain Pit, Whitworth Colliery, Ty-trist Colliery, Kilmarnock Level, Bedwellty Colliery, Darren Levewl, Pochin Colliery, Bryn Bach Pit (not dated)
Pwnc
Diwydiant
Rhif yr Eitem
87.243I/147
Derbyniad
Collected officially, 31/12/1987
Mesuriadau
Meithder
(mm): 825
Lled
(mm): 1598
Deunydd
paper (waxed)
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.