Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
South Wales coalfield, map
Geological map of South Wales coalfield, shows location (with key) of 199 collieries, South Wales railways and docks, dated 18 December 1907. Scale 4 miles : 1 inch.
Pwnc
Diwydiant
Rhif yr Eitem
90.32I
Mesuriadau
Meithder
(mm): 550
Lled
(mm): 240
Dosbarth
topographyNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.