Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
O.S. map of Lower Swansea Valley
O.S. map of the Lower Swansea Valley with mine locations printed on it. Sheet 153 Scale : 1" to 1 mile
Pwnc
Diwydiant
Rhif yr Eitem
87.243I/1
Derbyniad
Collected officially, 31/12/1987
Mesuriadau
Meithder
(mm): 875
Lled
(mm): 730
Techneg
dyeline
Deunydd
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.