Adrodd fel Amhriodol

' An area known as Cox's Pits. The sand used in the castings from Britannia Iron Works, which became George Fischer Castings, was dumped here. '

Dywedwch wrthym pam mae’r cynnwys hwn yn amhriodol *(gofynnol)

Dewis categori *(gofynnol)

Os ‘Arall’ rhowch fanylion (dewisol)

Eich enw (dewisol)

Eich cyfeiriad e-bost (dewisol)

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