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Adrodd fel Amhriodol

Testun Gwreiddiol (Anodiad: SPW027186 / 201417)

' Probable Alumina factory. Not extant in 1914 but was well established by 1943 [OS maps] '

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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