Cofnod Safle

NPRN300520

Cyfeirnod MapSH47SE

Cyfeirnod GridSH4750073500

Awdurdod Unedol (Lleol)Ynys Môn

Hen SirSir Fôn

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Math O SafleGWEITHFEYDD GLO

CyfnodÔl-Ganoloesol

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Disgrifiad

Tyddyn Mawr was once the site of rural coal workings; aerial photography has shown an area of spoil tips, quarries and possible tramroads on this site.

RCAHMW: May 2009.